Home / 31,985.88-47,996.09-15,569.88

Finding the Fourth Proportional to 31,985.88, 47,996.09 and 15,569.88

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Solution

The fourth proportional to 31,985.88, 47,996.09 and 15,569.88 is: 23,363.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,985.88 : 47,996.09 = 15,569.88 : x
  2. Step 2: Convert to fraction form
    31,985.88/47,996.09 = 15,569.88/x
  3. Step 3: Cross multiply
    31,985.88x = 47,996.09 × 15,569.88
  4. Step 4: Simplify right side
    31,985.88x = 747,293,361.77
  5. Step 5: Solve for x
    x = 747,293,361.77/31,985.88
  6. Step 6: Final answer
    x = 23,363.23

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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.