Home / 26,888.38-40,343.65-11,887.61

Finding the Fourth Proportional to 26,888.38, 40,343.65 and 11,887.61

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Solution

The fourth proportional to 26,888.38, 40,343.65 and 11,887.61 is: 17,836.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,888.38 : 40,343.65 = 11,887.61 : x
  2. Step 2: Convert to fraction form
    26,888.38/40,343.65 = 11,887.61/x
  3. Step 3: Cross multiply
    26,888.38x = 40,343.65 × 11,887.61
  4. Step 4: Simplify right side
    26,888.38x = 479,589,345.74
  5. Step 5: Solve for x
    x = 479,589,345.74/26,888.38
  6. Step 6: Final answer
    x = 17,836.31

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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.