Home / 29,247.30-40,361.16-15,818.54

Finding the Fourth Proportional to 29,247.30, 40,361.16 and 15,818.54

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Solution

The fourth proportional to 29,247.30, 40,361.16 and 15,818.54 is: 21,829.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,247.30 : 40,361.16 = 15,818.54 : x
  2. Step 2: Convert to fraction form
    29,247.30/40,361.16 = 15,818.54/x
  3. Step 3: Cross multiply
    29,247.30x = 40,361.16 × 15,818.54
  4. Step 4: Simplify right side
    29,247.30x = 638,454,422.10
  5. Step 5: Solve for x
    x = 638,454,422.10/29,247.30
  6. Step 6: Final answer
    x = 21,829.52

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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.