Home / 31,888.16-47,811.72-15,247.82

Finding the Fourth Proportional to 31,888.16, 47,811.72 and 15,247.82

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Solution

The fourth proportional to 31,888.16, 47,811.72 and 15,247.82 is: 22,861.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,888.16 : 47,811.72 = 15,247.82 : x
  2. Step 2: Convert to fraction form
    31,888.16/47,811.72 = 15,247.82/x
  3. Step 3: Cross multiply
    31,888.16x = 47,811.72 × 15,247.82
  4. Step 4: Simplify right side
    31,888.16x = 729,024,500.45
  5. Step 5: Solve for x
    x = 729,024,500.45/31,888.16
  6. Step 6: Final answer
    x = 22,861.92

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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.