Home / 31,562.98-47,373.66-15,991.54

Finding the Fourth Proportional to 31,562.98, 47,373.66 and 15,991.54

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Solution

The fourth proportional to 31,562.98, 47,373.66 and 15,991.54 is: 24,002.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,562.98 : 47,373.66 = 15,991.54 : x
  2. Step 2: Convert to fraction form
    31,562.98/47,373.66 = 15,991.54/x
  3. Step 3: Cross multiply
    31,562.98x = 47,373.66 × 15,991.54
  4. Step 4: Simplify right side
    31,562.98x = 757,577,778.84
  5. Step 5: Solve for x
    x = 757,577,778.84/31,562.98
  6. Step 6: Final answer
    x = 24,002.10

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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.