Home / 26,781.88-40,150.12-16,371.76

Finding the Fourth Proportional to 26,781.88, 40,150.12 and 16,371.76

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Solution

The fourth proportional to 26,781.88, 40,150.12 and 16,371.76 is: 24,543.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,781.88 : 40,150.12 = 16,371.76 : x
  2. Step 2: Convert to fraction form
    26,781.88/40,150.12 = 16,371.76/x
  3. Step 3: Cross multiply
    26,781.88x = 40,150.12 × 16,371.76
  4. Step 4: Simplify right side
    26,781.88x = 657,328,128.61
  5. Step 5: Solve for x
    x = 657,328,128.61/26,781.88
  6. Step 6: Final answer
    x = 24,543.76

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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.