Home / 23,278.72-32,091.60-15,617.92

Finding the Fourth Proportional to 23,278.72, 32,091.60 and 15,617.92

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Solution

The fourth proportional to 23,278.72, 32,091.60 and 15,617.92 is: 21,530.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,278.72 : 32,091.60 = 15,617.92 : x
  2. Step 2: Convert to fraction form
    23,278.72/32,091.60 = 15,617.92/x
  3. Step 3: Cross multiply
    23,278.72x = 32,091.60 × 15,617.92
  4. Step 4: Simplify right side
    23,278.72x = 501,204,041.47
  5. Step 5: Solve for x
    x = 501,204,041.47/23,278.72
  6. Step 6: Final answer
    x = 21,530.57

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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.