Home / 31,583.88-47,353.86-15,990.84

Finding the Fourth Proportional to 31,583.88, 47,353.86 and 15,990.84

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Solution

The fourth proportional to 31,583.88, 47,353.86 and 15,990.84 is: 23,975.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,583.88 : 47,353.86 = 15,990.84 : x
  2. Step 2: Convert to fraction form
    31,583.88/47,353.86 = 15,990.84/x
  3. Step 3: Cross multiply
    31,583.88x = 47,353.86 × 15,990.84
  4. Step 4: Simplify right side
    31,583.88x = 757,227,998.64
  5. Step 5: Solve for x
    x = 757,227,998.64/31,583.88
  6. Step 6: Final answer
    x = 23,975.14

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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.