Home / 31,887.00-47,829.44-17,124.75

Finding the Fourth Proportional to 31,887.00, 47,829.44 and 17,124.75

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Solution

The fourth proportional to 31,887.00, 47,829.44 and 17,124.75 is: 25,686.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,887.00 : 47,829.44 = 17,124.75 : x
  2. Step 2: Convert to fraction form
    31,887.00/47,829.44 = 17,124.75/x
  3. Step 3: Cross multiply
    31,887.00x = 47,829.44 × 17,124.75
  4. Step 4: Simplify right side
    31,887.00x = 819,067,424.81
  5. Step 5: Solve for x
    x = 819,067,424.81/31,887.00
  6. Step 6: Final answer
    x = 25,686.56

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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.