Home / 28,059.91-38,726.36-19,556.53

Finding the Fourth Proportional to 28,059.91, 38,726.36 and 19,556.53

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Solution

The fourth proportional to 28,059.91, 38,726.36 and 19,556.53 is: 26,990.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,059.91 : 38,726.36 = 19,556.53 : x
  2. Step 2: Convert to fraction form
    28,059.91/38,726.36 = 19,556.53/x
  3. Step 3: Cross multiply
    28,059.91x = 38,726.36 × 19,556.53
  4. Step 4: Simplify right side
    28,059.91x = 757,353,221.13
  5. Step 5: Solve for x
    x = 757,353,221.13/28,059.91
  6. Step 6: Final answer
    x = 26,990.58

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Half scale
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Double scale
Find fourth proportional to 28,060.91, 38,727.74 and 19,557.53
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.