Home / 28,308.83-39,065.24-15,733.31

Finding the Fourth Proportional to 28,308.83, 39,065.24 and 15,733.31

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Solution

The fourth proportional to 28,308.83, 39,065.24 and 15,733.31 is: 21,711.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,308.83 : 39,065.24 = 15,733.31 : x
  2. Step 2: Convert to fraction form
    28,308.83/39,065.24 = 15,733.31/x
  3. Step 3: Cross multiply
    28,308.83x = 39,065.24 × 15,733.31
  4. Step 4: Simplify right side
    28,308.83x = 614,625,452.48
  5. Step 5: Solve for x
    x = 614,625,452.48/28,308.83
  6. Step 6: Final answer
    x = 21,711.44

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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.