Home / 22,531.23-31,092.76-12,459.45

Finding the Fourth Proportional to 22,531.23, 31,092.76 and 12,459.45

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Solution

The fourth proportional to 22,531.23, 31,092.76 and 12,459.45 is: 17,193.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,531.23 : 31,092.76 = 12,459.45 : x
  2. Step 2: Convert to fraction form
    22,531.23/31,092.76 = 12,459.45/x
  3. Step 3: Cross multiply
    22,531.23x = 31,092.76 × 12,459.45
  4. Step 4: Simplify right side
    22,531.23x = 387,398,688.58
  5. Step 5: Solve for x
    x = 387,398,688.58/22,531.23
  6. Step 6: Final answer
    x = 17,193.85

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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.