Home / 28,504.88-39,333.20-15,932

Finding the Fourth Proportional to 28,504.88, 39,333.20 and 15,932

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Solution

The fourth proportional to 28,504.88, 39,333.20 and 15,932 is: 21,984.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,504.88 : 39,333.20 = 15,932 : x
  2. Step 2: Convert to fraction form
    28,504.88/39,333.20 = 15,932/x
  3. Step 3: Cross multiply
    28,504.88x = 39,333.20 × 15,932
  4. Step 4: Simplify right side
    28,504.88x = 626,656,542.40
  5. Step 5: Solve for x
    x = 626,656,542.40/28,504.88
  6. Step 6: Final answer
    x = 21,984.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.