Home / 28,114.43-38,797.19-15,367.65

Finding the Fourth Proportional to 28,114.43, 38,797.19 and 15,367.65

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Solution

The fourth proportional to 28,114.43, 38,797.19 and 15,367.65 is: 21,206.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,114.43 : 38,797.19 = 15,367.65 : x
  2. Step 2: Convert to fraction form
    28,114.43/38,797.19 = 15,367.65/x
  3. Step 3: Cross multiply
    28,114.43x = 38,797.19 × 15,367.65
  4. Step 4: Simplify right side
    28,114.43x = 596,221,558.65
  5. Step 5: Solve for x
    x = 596,221,558.65/28,114.43
  6. Step 6: Final answer
    x = 21,206.96

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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.