Home / 25,389.70-38,091.12-14,868.61

Finding the Fourth Proportional to 25,389.70, 38,091.12 and 14,868.61

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Solution

The fourth proportional to 25,389.70, 38,091.12 and 14,868.61 is: 22,306.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,389.70 : 38,091.12 = 14,868.61 : x
  2. Step 2: Convert to fraction form
    25,389.70/38,091.12 = 14,868.61/x
  3. Step 3: Cross multiply
    25,389.70x = 38,091.12 × 14,868.61
  4. Step 4: Simplify right side
    25,389.70x = 566,362,007.74
  5. Step 5: Solve for x
    x = 566,362,007.74/25,389.70
  6. Step 6: Final answer
    x = 22,306.76

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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.