Home / 22,470.48-30,990.60-16,871.76

Finding the Fourth Proportional to 22,470.48, 30,990.60 and 16,871.76

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Solution

The fourth proportional to 22,470.48, 30,990.60 and 16,871.76 is: 23,269.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,470.48 : 30,990.60 = 16,871.76 : x
  2. Step 2: Convert to fraction form
    22,470.48/30,990.60 = 16,871.76/x
  3. Step 3: Cross multiply
    22,470.48x = 30,990.60 × 16,871.76
  4. Step 4: Simplify right side
    22,470.48x = 522,865,965.46
  5. Step 5: Solve for x
    x = 522,865,965.46/22,470.48
  6. Step 6: Final answer
    x = 23,269.02

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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.