Home / 23,301.87-32,146.35-15,745.44

Finding the Fourth Proportional to 23,301.87, 32,146.35 and 15,745.44

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Solution

The fourth proportional to 23,301.87, 32,146.35 and 15,745.44 is: 21,721.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,301.87 : 32,146.35 = 15,745.44 : x
  2. Step 2: Convert to fraction form
    23,301.87/32,146.35 = 15,745.44/x
  3. Step 3: Cross multiply
    23,301.87x = 32,146.35 × 15,745.44
  4. Step 4: Simplify right side
    23,301.87x = 506,158,366.10
  5. Step 5: Solve for x
    x = 506,158,366.10/23,301.87
  6. Step 6: Final answer
    x = 21,721.79

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1.5x scale

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.