Home / 38,403.12-57,582-15,002.40

Finding the Fourth Proportional to 38,403.12, 57,582 and 15,002.40

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Solution

The fourth proportional to 38,403.12, 57,582 and 15,002.40 is: 22,494.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,403.12 : 57,582 = 15,002.40 : x
  2. Step 2: Convert to fraction form
    38,403.12/57,582 = 15,002.40/x
  3. Step 3: Cross multiply
    38,403.12x = 57,582 × 15,002.40
  4. Step 4: Simplify right side
    38,403.12x = 863,868,196.80
  5. Step 5: Solve for x
    x = 863,868,196.80/38,403.12
  6. Step 6: Final answer
    x = 22,494.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.