Home / 26,747.60-40,136.76-20,887.76

Finding the Fourth Proportional to 26,747.60, 40,136.76 and 20,887.76

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Solution

The fourth proportional to 26,747.60, 40,136.76 and 20,887.76 is: 31,343.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,747.60 : 40,136.76 = 20,887.76 : x
  2. Step 2: Convert to fraction form
    26,747.60/40,136.76 = 20,887.76/x
  3. Step 3: Cross multiply
    26,747.60x = 40,136.76 × 20,887.76
  4. Step 4: Simplify right side
    26,747.60x = 838,367,010.06
  5. Step 5: Solve for x
    x = 838,367,010.06/26,747.60
  6. Step 6: Final answer
    x = 31,343.63

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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.