Home / 29,229.12-40,339.08-16,655.76

Finding the Fourth Proportional to 29,229.12, 40,339.08 and 16,655.76

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Solution

The fourth proportional to 29,229.12, 40,339.08 and 16,655.76 is: 22,986.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,229.12 : 40,339.08 = 16,655.76 : x
  2. Step 2: Convert to fraction form
    29,229.12/40,339.08 = 16,655.76/x
  3. Step 3: Cross multiply
    29,229.12x = 40,339.08 × 16,655.76
  4. Step 4: Simplify right side
    29,229.12x = 671,878,035.10
  5. Step 5: Solve for x
    x = 671,878,035.10/29,229.12
  6. Step 6: Final answer
    x = 22,986.60

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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.