Home / 38,582.29-57,877.68-12,280.87

Finding the Fourth Proportional to 38,582.29, 57,877.68 and 12,280.87

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Solution

The fourth proportional to 38,582.29, 57,877.68 and 12,280.87 is: 18,422.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,582.29 : 57,877.68 = 12,280.87 : x
  2. Step 2: Convert to fraction form
    38,582.29/57,877.68 = 12,280.87/x
  3. Step 3: Cross multiply
    38,582.29x = 57,877.68 × 12,280.87
  4. Step 4: Simplify right side
    38,582.29x = 710,788,263.98
  5. Step 5: Solve for x
    x = 710,788,263.98/38,582.29
  6. Step 6: Final answer
    x = 18,422.66

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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.