Home / 26,680.31-36,820.24-15,351.53

Finding the Fourth Proportional to 26,680.31, 36,820.24 and 15,351.53

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Solution

The fourth proportional to 26,680.31, 36,820.24 and 15,351.53 is: 21,185.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,680.31 : 36,820.24 = 15,351.53 : x
  2. Step 2: Convert to fraction form
    26,680.31/36,820.24 = 15,351.53/x
  3. Step 3: Cross multiply
    26,680.31x = 36,820.24 × 15,351.53
  4. Step 4: Simplify right side
    26,680.31x = 565,246,877.44
  5. Step 5: Solve for x
    x = 565,246,877.44/26,680.31
  6. Step 6: Final answer
    x = 21,185.92

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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.