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Finding the Fourth Proportional to 17,625.76, 26,438.12 and 6,532.20

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Solution

The fourth proportional to 17,625.76, 26,438.12 and 6,532.20 is: 9,798.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,625.76 : 26,438.12 = 6,532.20 : x
  2. Step 2: Convert to fraction form
    17,625.76/26,438.12 = 6,532.20/x
  3. Step 3: Cross multiply
    17,625.76x = 26,438.12 × 6,532.20
  4. Step 4: Simplify right side
    17,625.76x = 172,699,087.46
  5. Step 5: Solve for x
    x = 172,699,087.46/17,625.76
  6. Step 6: Final answer
    x = 9,798.11

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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.