Home / 18,432.20-27,615.90-16,358.60

Finding the Fourth Proportional to 18,432.20, 27,615.90 and 16,358.60

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Solution

The fourth proportional to 18,432.20, 27,615.90 and 16,358.60 is: 24,509.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,432.20 : 27,615.90 = 16,358.60 : x
  2. Step 2: Convert to fraction form
    18,432.20/27,615.90 = 16,358.60/x
  3. Step 3: Cross multiply
    18,432.20x = 27,615.90 × 16,358.60
  4. Step 4: Simplify right side
    18,432.20x = 451,757,461.74
  5. Step 5: Solve for x
    x = 451,757,461.74/18,432.20
  6. Step 6: Final answer
    x = 24,509.14

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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.