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Finding the Fourth Proportional to 16,807.80, 25,227.90 and 14,345.40

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Solution

The fourth proportional to 16,807.80, 25,227.90 and 14,345.40 is: 21,531.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,807.80 : 25,227.90 = 14,345.40 : x
  2. Step 2: Convert to fraction form
    16,807.80/25,227.90 = 14,345.40/x
  3. Step 3: Cross multiply
    16,807.80x = 25,227.90 × 14,345.40
  4. Step 4: Simplify right side
    16,807.80x = 361,904,316.66
  5. Step 5: Solve for x
    x = 361,904,316.66/16,807.80
  6. Step 6: Final answer
    x = 21,531.93

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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.