Home / 25,337.89-38,018.10-8,709.85

Finding the Fourth Proportional to 25,337.89, 38,018.10 and 8,709.85

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Solution

The fourth proportional to 25,337.89, 38,018.10 and 8,709.85 is: 13,068.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,337.89 : 38,018.10 = 8,709.85 : x
  2. Step 2: Convert to fraction form
    25,337.89/38,018.10 = 8,709.85/x
  3. Step 3: Cross multiply
    25,337.89x = 38,018.10 × 8,709.85
  4. Step 4: Simplify right side
    25,337.89x = 331,131,948.29
  5. Step 5: Solve for x
    x = 331,131,948.29/25,337.89
  6. Step 6: Final answer
    x = 13,068.65

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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.