Home / 31,865.64-47,798.44-15,175.06

Finding the Fourth Proportional to 31,865.64, 47,798.44 and 15,175.06

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Solution

The fourth proportional to 31,865.64, 47,798.44 and 15,175.06 is: 22,762.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,865.64 : 47,798.44 = 15,175.06 : x
  2. Step 2: Convert to fraction form
    31,865.64/47,798.44 = 15,175.06/x
  3. Step 3: Cross multiply
    31,865.64x = 47,798.44 × 15,175.06
  4. Step 4: Simplify right side
    31,865.64x = 725,344,306.34
  5. Step 5: Solve for x
    x = 725,344,306.34/31,865.64
  6. Step 6: Final answer
    x = 22,762.59

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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.