Home / 27,934.74-38,551.83-15,359.46

Finding the Fourth Proportional to 27,934.74, 38,551.83 and 15,359.46

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Solution

The fourth proportional to 27,934.74, 38,551.83 and 15,359.46 is: 21,197.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,934.74 : 38,551.83 = 15,359.46 : x
  2. Step 2: Convert to fraction form
    27,934.74/38,551.83 = 15,359.46/x
  3. Step 3: Cross multiply
    27,934.74x = 38,551.83 × 15,359.46
  4. Step 4: Simplify right side
    27,934.74x = 592,135,290.81
  5. Step 5: Solve for x
    x = 592,135,290.81/27,934.74
  6. Step 6: Final answer
    x = 21,197.09

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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.