Home / 25,402.80-38,091.42-12,071.82

Finding the Fourth Proportional to 25,402.80, 38,091.42 and 12,071.82

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Solution

The fourth proportional to 25,402.80, 38,091.42 and 12,071.82 is: 18,101.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,402.80 : 38,091.42 = 12,071.82 : x
  2. Step 2: Convert to fraction form
    25,402.80/38,091.42 = 12,071.82/x
  3. Step 3: Cross multiply
    25,402.80x = 38,091.42 × 12,071.82
  4. Step 4: Simplify right side
    25,402.80x = 459,832,765.78
  5. Step 5: Solve for x
    x = 459,832,765.78/25,402.80
  6. Step 6: Final answer
    x = 18,101.66

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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.