Home / 28,497.50-39,326.57-15,922.25

Finding the Fourth Proportional to 28,497.50, 39,326.57 and 15,922.25

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Solution

The fourth proportional to 28,497.50, 39,326.57 and 15,922.25 is: 21,972.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,497.50 : 39,326.57 = 15,922.25 : x
  2. Step 2: Convert to fraction form
    28,497.50/39,326.57 = 15,922.25/x
  3. Step 3: Cross multiply
    28,497.50x = 39,326.57 × 15,922.25
  4. Step 4: Simplify right side
    28,497.50x = 626,167,399.57
  5. Step 5: Solve for x
    x = 626,167,399.57/28,497.50
  6. Step 6: Final answer
    x = 21,972.71

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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.