Home / 26,721.24-40,081.45-9,191.22

Finding the Fourth Proportional to 26,721.24, 40,081.45 and 9,191.22

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Solution

The fourth proportional to 26,721.24, 40,081.45 and 9,191.22 is: 13,786.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,721.24 : 40,081.45 = 9,191.22 : x
  2. Step 2: Convert to fraction form
    26,721.24/40,081.45 = 9,191.22/x
  3. Step 3: Cross multiply
    26,721.24x = 40,081.45 × 9,191.22
  4. Step 4: Simplify right side
    26,721.24x = 368,397,424.87
  5. Step 5: Solve for x
    x = 368,397,424.87/26,721.24
  6. Step 6: Final answer
    x = 13,786.69

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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.