Home / 25,713.10-38,572.49-8,178.83

Finding the Fourth Proportional to 25,713.10, 38,572.49 and 8,178.83

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Solution

The fourth proportional to 25,713.10, 38,572.49 and 8,178.83 is: 12,269.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,713.10 : 38,572.49 = 8,178.83 : x
  2. Step 2: Convert to fraction form
    25,713.10/38,572.49 = 8,178.83/x
  3. Step 3: Cross multiply
    25,713.10x = 38,572.49 × 8,178.83
  4. Step 4: Simplify right side
    25,713.10x = 315,477,838.39
  5. Step 5: Solve for x
    x = 315,477,838.39/25,713.10
  6. Step 6: Final answer
    x = 12,269.15

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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.