Home / 21,414.28-32,063.46-15,148.48

Finding the Fourth Proportional to 21,414.28, 32,063.46 and 15,148.48

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Solution

The fourth proportional to 21,414.28, 32,063.46 and 15,148.48 is: 22,681.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,414.28 : 32,063.46 = 15,148.48 : x
  2. Step 2: Convert to fraction form
    21,414.28/32,063.46 = 15,148.48/x
  3. Step 3: Cross multiply
    21,414.28x = 32,063.46 × 15,148.48
  4. Step 4: Simplify right side
    21,414.28x = 485,712,682.54
  5. Step 5: Solve for x
    x = 485,712,682.54/21,414.28
  6. Step 6: Final answer
    x = 22,681.72

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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.