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Finding the Fourth Proportional to 26,377.47, 39,566.22 and 7,909.47

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Solution

The fourth proportional to 26,377.47, 39,566.22 and 7,909.47 is: 11,864.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,377.47 : 39,566.22 = 7,909.47 : x
  2. Step 2: Convert to fraction form
    26,377.47/39,566.22 = 7,909.47/x
  3. Step 3: Cross multiply
    26,377.47x = 39,566.22 × 7,909.47
  4. Step 4: Simplify right side
    26,377.47x = 312,947,830.10
  5. Step 5: Solve for x
    x = 312,947,830.10/26,377.47
  6. Step 6: Final answer
    x = 11,864.21

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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.