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Finding the Fourth Proportional to 22,671.80, 34,007.16 and 7,087.40

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Solution

The fourth proportional to 22,671.80, 34,007.16 and 7,087.40 is: 10,630.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,671.80 : 34,007.16 = 7,087.40 : x
  2. Step 2: Convert to fraction form
    22,671.80/34,007.16 = 7,087.40/x
  3. Step 3: Cross multiply
    22,671.80x = 34,007.16 × 7,087.40
  4. Step 4: Simplify right side
    22,671.80x = 241,022,345.78
  5. Step 5: Solve for x
    x = 241,022,345.78/22,671.80
  6. Step 6: Final answer
    x = 10,630.93

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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.