Home / 28,081.26-38,760.56-16,758.68

Finding the Fourth Proportional to 28,081.26, 38,760.56 and 16,758.68

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Solution

The fourth proportional to 28,081.26, 38,760.56 and 16,758.68 is: 23,132.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,081.26 : 38,760.56 = 16,758.68 : x
  2. Step 2: Convert to fraction form
    28,081.26/38,760.56 = 16,758.68/x
  3. Step 3: Cross multiply
    28,081.26x = 38,760.56 × 16,758.68
  4. Step 4: Simplify right side
    28,081.26x = 649,575,821.66
  5. Step 5: Solve for x
    x = 649,575,821.66/28,081.26
  6. Step 6: Final answer
    x = 23,132.00

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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.