Home / 28,082.19-38,750.49-16,147.25

Finding the Fourth Proportional to 28,082.19, 38,750.49 and 16,147.25

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Solution

The fourth proportional to 28,082.19, 38,750.49 and 16,147.25 is: 22,281.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,082.19 : 38,750.49 = 16,147.25 : x
  2. Step 2: Convert to fraction form
    28,082.19/38,750.49 = 16,147.25/x
  3. Step 3: Cross multiply
    28,082.19x = 38,750.49 × 16,147.25
  4. Step 4: Simplify right side
    28,082.19x = 625,713,849.65
  5. Step 5: Solve for x
    x = 625,713,849.65/28,082.19
  6. Step 6: Final answer
    x = 22,281.52

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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.