Home / 27,974.18-38,604.37-15,398.93

Finding the Fourth Proportional to 27,974.18, 38,604.37 and 15,398.93

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Solution

The fourth proportional to 27,974.18, 38,604.37 and 15,398.93 is: 21,250.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,974.18 : 38,604.37 = 15,398.93 : x
  2. Step 2: Convert to fraction form
    27,974.18/38,604.37 = 15,398.93/x
  3. Step 3: Cross multiply
    27,974.18x = 38,604.37 × 15,398.93
  4. Step 4: Simplify right side
    27,974.18x = 594,465,721.31
  5. Step 5: Solve for x
    x = 594,465,721.31/27,974.18
  6. Step 6: Final answer
    x = 21,250.52

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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.