Home / 26,111.24-39,239.15-25,478.22

Finding the Fourth Proportional to 26,111.24, 39,239.15 and 25,478.22

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Solution

The fourth proportional to 26,111.24, 39,239.15 and 25,478.22 is: 38,287.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,111.24 : 39,239.15 = 25,478.22 : x
  2. Step 2: Convert to fraction form
    26,111.24/39,239.15 = 25,478.22/x
  3. Step 3: Cross multiply
    26,111.24x = 39,239.15 × 25,478.22
  4. Step 4: Simplify right side
    26,111.24x = 999,743,568.92
  5. Step 5: Solve for x
    x = 999,743,568.92/26,111.24
  6. Step 6: Final answer
    x = 38,287.87

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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.