Home / 28,498-39,327.26-15,922.75

Finding the Fourth Proportional to 28,498, 39,327.26 and 15,922.75

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Solution

The fourth proportional to 28,498, 39,327.26 and 15,922.75 is: 21,973.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,498 : 39,327.26 = 15,922.75 : x
  2. Step 2: Convert to fraction form
    28,498/39,327.26 = 15,922.75/x
  3. Step 3: Cross multiply
    28,498x = 39,327.26 × 15,922.75
  4. Step 4: Simplify right side
    28,498x = 626,198,129.17
  5. Step 5: Solve for x
    x = 626,198,129.17/28,498
  6. Step 6: Final answer
    x = 21,973.41

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1.5x scale

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.