Home / 25,488.09-38,234.57-9,906.93

Finding the Fourth Proportional to 25,488.09, 38,234.57 and 9,906.93

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Solution

The fourth proportional to 25,488.09, 38,234.57 and 9,906.93 is: 14,861.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,488.09 : 38,234.57 = 9,906.93 : x
  2. Step 2: Convert to fraction form
    25,488.09/38,234.57 = 9,906.93/x
  3. Step 3: Cross multiply
    25,488.09x = 38,234.57 × 9,906.93
  4. Step 4: Simplify right side
    25,488.09x = 378,787,159.04
  5. Step 5: Solve for x
    x = 378,787,159.04/25,488.09
  6. Step 6: Final answer
    x = 14,861.34

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1.5x scale

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.