Home / 28,785.43-39,723.69-16,037.97

Finding the Fourth Proportional to 28,785.43, 39,723.69 and 16,037.97

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Solution

The fourth proportional to 28,785.43, 39,723.69 and 16,037.97 is: 22,132.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,785.43 : 39,723.69 = 16,037.97 : x
  2. Step 2: Convert to fraction form
    28,785.43/39,723.69 = 16,037.97/x
  3. Step 3: Cross multiply
    28,785.43x = 39,723.69 × 16,037.97
  4. Step 4: Simplify right side
    28,785.43x = 637,087,348.51
  5. Step 5: Solve for x
    x = 637,087,348.51/28,785.43
  6. Step 6: Final answer
    x = 22,132.29

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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.