Home / 27,929.29-38,542.58-15,182.57

Finding the Fourth Proportional to 27,929.29, 38,542.58 and 15,182.57

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Solution

The fourth proportional to 27,929.29, 38,542.58 and 15,182.57 is: 20,952.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,929.29 : 38,542.58 = 15,182.57 : x
  2. Step 2: Convert to fraction form
    27,929.29/38,542.58 = 15,182.57/x
  3. Step 3: Cross multiply
    27,929.29x = 38,542.58 × 15,182.57
  4. Step 4: Simplify right side
    27,929.29x = 585,175,581.61
  5. Step 5: Solve for x
    x = 585,175,581.61/27,929.29
  6. Step 6: Final answer
    x = 20,952.04

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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.