Home / 28,565.66-39,414.10-18,362.02

Finding the Fourth Proportional to 28,565.66, 39,414.10 and 18,362.02

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Solution

The fourth proportional to 28,565.66, 39,414.10 and 18,362.02 is: 25,335.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,565.66 : 39,414.10 = 18,362.02 : x
  2. Step 2: Convert to fraction form
    28,565.66/39,414.10 = 18,362.02/x
  3. Step 3: Cross multiply
    28,565.66x = 39,414.10 × 18,362.02
  4. Step 4: Simplify right side
    28,565.66x = 723,722,492.48
  5. Step 5: Solve for x
    x = 723,722,492.48/28,565.66
  6. Step 6: Final answer
    x = 25,335.40

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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.