Home / 23,279.49-32,121.45-15,211.01

Finding the Fourth Proportional to 23,279.49, 32,121.45 and 15,211.01

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Solution

The fourth proportional to 23,279.49, 32,121.45 and 15,211.01 is: 20,988.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,279.49 : 32,121.45 = 15,211.01 : x
  2. Step 2: Convert to fraction form
    23,279.49/32,121.45 = 15,211.01/x
  3. Step 3: Cross multiply
    23,279.49x = 32,121.45 × 15,211.01
  4. Step 4: Simplify right side
    23,279.49x = 488,599,777.47
  5. Step 5: Solve for x
    x = 488,599,777.47/23,279.49
  6. Step 6: Final answer
    x = 20,988.42

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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.