Home / 19,532.28-29,293.76-8,432.90

Finding the Fourth Proportional to 19,532.28, 29,293.76 and 8,432.90

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Solution

The fourth proportional to 19,532.28, 29,293.76 and 8,432.90 is: 12,647.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,532.28 : 29,293.76 = 8,432.90 : x
  2. Step 2: Convert to fraction form
    19,532.28/29,293.76 = 8,432.90/x
  3. Step 3: Cross multiply
    19,532.28x = 29,293.76 × 8,432.90
  4. Step 4: Simplify right side
    19,532.28x = 247,031,160.07
  5. Step 5: Solve for x
    x = 247,031,160.07/19,532.28
  6. Step 6: Final answer
    x = 12,647.33

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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.