Home / 28,565.92-39,407.77-18,497.62

Finding the Fourth Proportional to 28,565.92, 39,407.77 and 18,497.62

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Solution

The fourth proportional to 28,565.92, 39,407.77 and 18,497.62 is: 25,518.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,565.92 : 39,407.77 = 18,497.62 : x
  2. Step 2: Convert to fraction form
    28,565.92/39,407.77 = 18,497.62/x
  3. Step 3: Cross multiply
    28,565.92x = 39,407.77 × 18,497.62
  4. Step 4: Simplify right side
    28,565.92x = 728,949,701.17
  5. Step 5: Solve for x
    x = 728,949,701.17/28,565.92
  6. Step 6: Final answer
    x = 25,518.16

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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.