Home / 26,557.20-36,642.68-19,471.28

Finding the Fourth Proportional to 26,557.20, 36,642.68 and 19,471.28

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Solution

The fourth proportional to 26,557.20, 36,642.68 and 19,471.28 is: 26,865.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,557.20 : 36,642.68 = 19,471.28 : x
  2. Step 2: Convert to fraction form
    26,557.20/36,642.68 = 19,471.28/x
  3. Step 3: Cross multiply
    26,557.20x = 36,642.68 × 19,471.28
  4. Step 4: Simplify right side
    26,557.20x = 713,479,882.23
  5. Step 5: Solve for x
    x = 713,479,882.23/26,557.20
  6. Step 6: Final answer
    x = 26,865.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.