Home / 28,586.07-39,448.76-16,657.47

Finding the Fourth Proportional to 28,586.07, 39,448.76 and 16,657.47

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Solution

The fourth proportional to 28,586.07, 39,448.76 and 16,657.47 is: 22,987.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,586.07 : 39,448.76 = 16,657.47 : x
  2. Step 2: Convert to fraction form
    28,586.07/39,448.76 = 16,657.47/x
  3. Step 3: Cross multiply
    28,586.07x = 39,448.76 × 16,657.47
  4. Step 4: Simplify right side
    28,586.07x = 657,116,452.95
  5. Step 5: Solve for x
    x = 657,116,452.95/28,586.07
  6. Step 6: Final answer
    x = 22,987.30

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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.