Home / 27,834.30-38,411.46-15,087.69

Finding the Fourth Proportional to 27,834.30, 38,411.46 and 15,087.69

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Solution

The fourth proportional to 27,834.30, 38,411.46 and 15,087.69 is: 20,821.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,834.30 : 38,411.46 = 15,087.69 : x
  2. Step 2: Convert to fraction form
    27,834.30/38,411.46 = 15,087.69/x
  3. Step 3: Cross multiply
    27,834.30x = 38,411.46 × 15,087.69
  4. Step 4: Simplify right side
    27,834.30x = 579,540,200.93
  5. Step 5: Solve for x
    x = 579,540,200.93/27,834.30
  6. Step 6: Final answer
    x = 20,821.08

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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.