Home / 15,826.68-23,742.45-5,436

Finding the Fourth Proportional to 15,826.68, 23,742.45 and 5,436

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Solution

The fourth proportional to 15,826.68, 23,742.45 and 5,436 is: 8,154.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,826.68 : 23,742.45 = 5,436 : x
  2. Step 2: Convert to fraction form
    15,826.68/23,742.45 = 5,436/x
  3. Step 3: Cross multiply
    15,826.68x = 23,742.45 × 5,436
  4. Step 4: Simplify right side
    15,826.68x = 129,063,958.20
  5. Step 5: Solve for x
    x = 129,063,958.20/15,826.68
  6. Step 6: Final answer
    x = 8,154.83

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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.