Home / 25,884.05-38,817.11-12,549.29

Finding the Fourth Proportional to 25,884.05, 38,817.11 and 12,549.29

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Solution

The fourth proportional to 25,884.05, 38,817.11 and 12,549.29 is: 18,819.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,884.05 : 38,817.11 = 12,549.29 : x
  2. Step 2: Convert to fraction form
    25,884.05/38,817.11 = 12,549.29/x
  3. Step 3: Cross multiply
    25,884.05x = 38,817.11 × 12,549.29
  4. Step 4: Simplify right side
    25,884.05x = 487,126,913.52
  5. Step 5: Solve for x
    x = 487,126,913.52/25,884.05
  6. Step 6: Final answer
    x = 18,819.58

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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.