Home / 25,890.17-38,751.72-13,392.98

Finding the Fourth Proportional to 25,890.17, 38,751.72 and 13,392.98

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Solution

The fourth proportional to 25,890.17, 38,751.72 and 13,392.98 is: 20,046.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,890.17 : 38,751.72 = 13,392.98 : x
  2. Step 2: Convert to fraction form
    25,890.17/38,751.72 = 13,392.98/x
  3. Step 3: Cross multiply
    25,890.17x = 38,751.72 × 13,392.98
  4. Step 4: Simplify right side
    25,890.17x = 519,000,912.26
  5. Step 5: Solve for x
    x = 519,000,912.26/25,890.17
  6. Step 6: Final answer
    x = 20,046.26

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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.