Home / 26,407.31-36,442.09-15,229.31

Finding the Fourth Proportional to 26,407.31, 36,442.09 and 15,229.31

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Solution

The fourth proportional to 26,407.31, 36,442.09 and 15,229.31 is: 21,016.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,407.31 : 36,442.09 = 15,229.31 : x
  2. Step 2: Convert to fraction form
    26,407.31/36,442.09 = 15,229.31/x
  3. Step 3: Cross multiply
    26,407.31x = 36,442.09 × 15,229.31
  4. Step 4: Simplify right side
    26,407.31x = 554,987,995.80
  5. Step 5: Solve for x
    x = 554,987,995.80/26,407.31
  6. Step 6: Final answer
    x = 21,016.45

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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.