Home / 29,306.93-40,443.50-15,878.52

Finding the Fourth Proportional to 29,306.93, 40,443.50 and 15,878.52

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Solution

The fourth proportional to 29,306.93, 40,443.50 and 15,878.52 is: 21,912.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,306.93 : 40,443.50 = 15,878.52 : x
  2. Step 2: Convert to fraction form
    29,306.93/40,443.50 = 15,878.52/x
  3. Step 3: Cross multiply
    29,306.93x = 40,443.50 × 15,878.52
  4. Step 4: Simplify right side
    29,306.93x = 642,182,963.32
  5. Step 5: Solve for x
    x = 642,182,963.32/29,306.93
  6. Step 6: Final answer
    x = 21,912.33

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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.