Home / 28,414.26-39,207.09-16,475.28

Finding the Fourth Proportional to 28,414.26, 39,207.09 and 16,475.28

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Solution

The fourth proportional to 28,414.26, 39,207.09 and 16,475.28 is: 22,733.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,414.26 : 39,207.09 = 16,475.28 : x
  2. Step 2: Convert to fraction form
    28,414.26/39,207.09 = 16,475.28/x
  3. Step 3: Cross multiply
    28,414.26x = 39,207.09 × 16,475.28
  4. Step 4: Simplify right side
    28,414.26x = 645,947,785.74
  5. Step 5: Solve for x
    x = 645,947,785.74/28,414.26
  6. Step 6: Final answer
    x = 22,733.23

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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.