Home / 27,850.29-38,433.39-15,275.04

Finding the Fourth Proportional to 27,850.29, 38,433.39 and 15,275.04

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Solution

The fourth proportional to 27,850.29, 38,433.39 and 15,275.04 is: 21,079.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,850.29 : 38,433.39 = 15,275.04 : x
  2. Step 2: Convert to fraction form
    27,850.29/38,433.39 = 15,275.04/x
  3. Step 3: Cross multiply
    27,850.29x = 38,433.39 × 15,275.04
  4. Step 4: Simplify right side
    27,850.29x = 587,071,569.59
  5. Step 5: Solve for x
    x = 587,071,569.59/27,850.29
  6. Step 6: Final answer
    x = 21,079.55

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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.