Home / 26,632.92-39,887.13-21,048.78

Finding the Fourth Proportional to 26,632.92, 39,887.13 and 21,048.78

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Solution

The fourth proportional to 26,632.92, 39,887.13 and 21,048.78 is: 31,523.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,632.92 : 39,887.13 = 21,048.78 : x
  2. Step 2: Convert to fraction form
    26,632.92/39,887.13 = 21,048.78/x
  3. Step 3: Cross multiply
    26,632.92x = 39,887.13 × 21,048.78
  4. Step 4: Simplify right side
    26,632.92x = 839,575,424.20
  5. Step 5: Solve for x
    x = 839,575,424.20/26,632.92
  6. Step 6: Final answer
    x = 31,523.97

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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.