Home / 28,150.34-42,198.17-15,658.92

Finding the Fourth Proportional to 28,150.34, 42,198.17 and 15,658.92

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Solution

The fourth proportional to 28,150.34, 42,198.17 and 15,658.92 is: 23,473.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,150.34 : 42,198.17 = 15,658.92 : x
  2. Step 2: Convert to fraction form
    28,150.34/42,198.17 = 15,658.92/x
  3. Step 3: Cross multiply
    28,150.34x = 42,198.17 × 15,658.92
  4. Step 4: Simplify right side
    28,150.34x = 660,777,689.88
  5. Step 5: Solve for x
    x = 660,777,689.88/28,150.34
  6. Step 6: Final answer
    x = 23,473.17

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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.