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Finding the Fourth Proportional to 16,103.20, 24,154.80 and 15,455.20

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Solution

The fourth proportional to 16,103.20, 24,154.80 and 15,455.20 is: 23,182.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,103.20 : 24,154.80 = 15,455.20 : x
  2. Step 2: Convert to fraction form
    16,103.20/24,154.80 = 15,455.20/x
  3. Step 3: Cross multiply
    16,103.20x = 24,154.80 × 15,455.20
  4. Step 4: Simplify right side
    16,103.20x = 373,317,264.96
  5. Step 5: Solve for x
    x = 373,317,264.96/16,103.20
  6. Step 6: Final answer
    x = 23,182.80

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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.