Home / 33,178.28-49,743.02-15,638.60

Finding the Fourth Proportional to 33,178.28, 49,743.02 and 15,638.60

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Solution

The fourth proportional to 33,178.28, 49,743.02 and 15,638.60 is: 23,446.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,178.28 : 49,743.02 = 15,638.60 : x
  2. Step 2: Convert to fraction form
    33,178.28/49,743.02 = 15,638.60/x
  3. Step 3: Cross multiply
    33,178.28x = 49,743.02 × 15,638.60
  4. Step 4: Simplify right side
    33,178.28x = 777,911,192.57
  5. Step 5: Solve for x
    x = 777,911,192.57/33,178.28
  6. Step 6: Final answer
    x = 23,446.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.