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Finding the Fourth Proportional to 16,844.80, 25,267.20 and 16,480.30

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Solution

The fourth proportional to 16,844.80, 25,267.20 and 16,480.30 is: 24,720.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,844.80 : 25,267.20 = 16,480.30 : x
  2. Step 2: Convert to fraction form
    16,844.80/25,267.20 = 16,480.30/x
  3. Step 3: Cross multiply
    16,844.80x = 25,267.20 × 16,480.30
  4. Step 4: Simplify right side
    16,844.80x = 416,411,036.16
  5. Step 5: Solve for x
    x = 416,411,036.16/16,844.80
  6. Step 6: Final answer
    x = 24,720.45

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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.