Home / 27,710.52-38,245.20-15,772.23

Finding the Fourth Proportional to 27,710.52, 38,245.20 and 15,772.23

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Solution

The fourth proportional to 27,710.52, 38,245.20 and 15,772.23 is: 21,768.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,710.52 : 38,245.20 = 15,772.23 : x
  2. Step 2: Convert to fraction form
    27,710.52/38,245.20 = 15,772.23/x
  3. Step 3: Cross multiply
    27,710.52x = 38,245.20 × 15,772.23
  4. Step 4: Simplify right side
    27,710.52x = 603,212,031.65
  5. Step 5: Solve for x
    x = 603,212,031.65/27,710.52
  6. Step 6: Final answer
    x = 21,768.34

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Half scale
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Double scale
Find fourth proportional to 27,711.52, 38,246.58 and 15,773.23
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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.