Home / 26,997.60-40,496.40-15,187.80

Finding the Fourth Proportional to 26,997.60, 40,496.40 and 15,187.80

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Solution

The fourth proportional to 26,997.60, 40,496.40 and 15,187.80 is: 22,781.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,997.60 : 40,496.40 = 15,187.80 : x
  2. Step 2: Convert to fraction form
    26,997.60/40,496.40 = 15,187.80/x
  3. Step 3: Cross multiply
    26,997.60x = 40,496.40 × 15,187.80
  4. Step 4: Simplify right side
    26,997.60x = 615,051,223.92
  5. Step 5: Solve for x
    x = 615,051,223.92/26,997.60
  6. Step 6: Final answer
    x = 22,781.70

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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.