Home / 38,384.78-57,572.31-13,423.82

Finding the Fourth Proportional to 38,384.78, 57,572.31 and 13,423.82

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Solution

The fourth proportional to 38,384.78, 57,572.31 and 13,423.82 is: 20,134.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,384.78 : 57,572.31 = 13,423.82 : x
  2. Step 2: Convert to fraction form
    38,384.78/57,572.31 = 13,423.82/x
  3. Step 3: Cross multiply
    38,384.78x = 57,572.31 × 13,423.82
  4. Step 4: Simplify right side
    38,384.78x = 772,840,326.42
  5. Step 5: Solve for x
    x = 772,840,326.42/38,384.78
  6. Step 6: Final answer
    x = 20,134.03

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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.