Home / 27,911.49-38,516.81-15,974.52

Finding the Fourth Proportional to 27,911.49, 38,516.81 and 15,974.52

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Solution

The fourth proportional to 27,911.49, 38,516.81 and 15,974.52 is: 22,044.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,911.49 : 38,516.81 = 15,974.52 : x
  2. Step 2: Convert to fraction form
    27,911.49/38,516.81 = 15,974.52/x
  3. Step 3: Cross multiply
    27,911.49x = 38,516.81 × 15,974.52
  4. Step 4: Simplify right side
    27,911.49x = 615,287,359.10
  5. Step 5: Solve for x
    x = 615,287,359.10/27,911.49
  6. Step 6: Final answer
    x = 22,044.24

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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.