Home / 27,834.35-38,411.42-15,087.65

Finding the Fourth Proportional to 27,834.35, 38,411.42 and 15,087.65

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Solution

The fourth proportional to 27,834.35, 38,411.42 and 15,087.65 is: 20,820.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,834.35 : 38,411.42 = 15,087.65 : x
  2. Step 2: Convert to fraction form
    27,834.35/38,411.42 = 15,087.65/x
  3. Step 3: Cross multiply
    27,834.35x = 38,411.42 × 15,087.65
  4. Step 4: Simplify right side
    27,834.35x = 579,537,793.47
  5. Step 5: Solve for x
    x = 579,537,793.47/27,834.35
  6. Step 6: Final answer
    x = 20,820.96

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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.