Home / 65,721.05-98,581.57-15,801.15

Finding the Fourth Proportional to 65,721.05, 98,581.57 and 15,801.15

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Solution

The fourth proportional to 65,721.05, 98,581.57 and 15,801.15 is: 23,701.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,721.05 : 98,581.57 = 15,801.15 : x
  2. Step 2: Convert to fraction form
    65,721.05/98,581.57 = 15,801.15/x
  3. Step 3: Cross multiply
    65,721.05x = 98,581.57 × 15,801.15
  4. Step 4: Simplify right side
    65,721.05x = 1,557,701,857.06
  5. Step 5: Solve for x
    x = 1,557,701,857.06/65,721.05
  6. Step 6: Final answer
    x = 23,701.72

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Similar ratio
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1.5x scale

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.