Home / 38,423.84-57,632.50-21,731.36

Finding the Fourth Proportional to 38,423.84, 57,632.50 and 21,731.36

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Solution

The fourth proportional to 38,423.84, 57,632.50 and 21,731.36 is: 32,595.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,423.84 : 57,632.50 = 21,731.36 : x
  2. Step 2: Convert to fraction form
    38,423.84/57,632.50 = 21,731.36/x
  3. Step 3: Cross multiply
    38,423.84x = 57,632.50 × 21,731.36
  4. Step 4: Simplify right side
    38,423.84x = 1,252,432,262.71
  5. Step 5: Solve for x
    x = 1,252,432,262.71/38,423.84
  6. Step 6: Final answer
    x = 32,595.19

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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.