Home / 29,306.12-40,442.28-15,877.64

Finding the Fourth Proportional to 29,306.12, 40,442.28 and 15,877.64

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Solution

The fourth proportional to 29,306.12, 40,442.28 and 15,877.64 is: 21,911.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,306.12 : 40,442.28 = 15,877.64 : x
  2. Step 2: Convert to fraction form
    29,306.12/40,442.28 = 15,877.64/x
  3. Step 3: Cross multiply
    29,306.12x = 40,442.28 × 15,877.64
  4. Step 4: Simplify right side
    29,306.12x = 642,127,962.62
  5. Step 5: Solve for x
    x = 642,127,962.62/29,306.12
  6. Step 6: Final answer
    x = 21,911.05

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.