Home / 28,581.28-39,442.12-16,006.32

Finding the Fourth Proportional to 28,581.28, 39,442.12 and 16,006.32

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Solution

The fourth proportional to 28,581.28, 39,442.12 and 16,006.32 is: 22,088.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,581.28 : 39,442.12 = 16,006.32 : x
  2. Step 2: Convert to fraction form
    28,581.28/39,442.12 = 16,006.32/x
  3. Step 3: Cross multiply
    28,581.28x = 39,442.12 × 16,006.32
  4. Step 4: Simplify right side
    28,581.28x = 631,323,194.20
  5. Step 5: Solve for x
    x = 631,323,194.20/28,581.28
  6. Step 6: Final answer
    x = 22,088.70

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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.