Home / 28,125.26-38,734.09-27,512.90

Finding the Fourth Proportional to 28,125.26, 38,734.09 and 27,512.90

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Solution

The fourth proportional to 28,125.26, 38,734.09 and 27,512.90 is: 37,890.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,125.26 : 38,734.09 = 27,512.90 : x
  2. Step 2: Convert to fraction form
    28,125.26/38,734.09 = 27,512.90/x
  3. Step 3: Cross multiply
    28,125.26x = 38,734.09 × 27,512.90
  4. Step 4: Simplify right side
    28,125.26x = 1,065,686,882.31
  5. Step 5: Solve for x
    x = 1,065,686,882.31/28,125.26
  6. Step 6: Final answer
    x = 37,890.75

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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.