Home / 23,891.86-32,956.38-15,391.18

Finding the Fourth Proportional to 23,891.86, 32,956.38 and 15,391.18

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Solution

The fourth proportional to 23,891.86, 32,956.38 and 15,391.18 is: 21,230.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,891.86 : 32,956.38 = 15,391.18 : x
  2. Step 2: Convert to fraction form
    23,891.86/32,956.38 = 15,391.18/x
  3. Step 3: Cross multiply
    23,891.86x = 32,956.38 × 15,391.18
  4. Step 4: Simplify right side
    23,891.86x = 507,237,576.73
  5. Step 5: Solve for x
    x = 507,237,576.73/23,891.86
  6. Step 6: Final answer
    x = 21,230.56

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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.