Home / 27,311.68-37,695.52-15,982.40

Finding the Fourth Proportional to 27,311.68, 37,695.52 and 15,982.40

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Solution

The fourth proportional to 27,311.68, 37,695.52 and 15,982.40 is: 22,058.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,311.68 : 37,695.52 = 15,982.40 : x
  2. Step 2: Convert to fraction form
    27,311.68/37,695.52 = 15,982.40/x
  3. Step 3: Cross multiply
    27,311.68x = 37,695.52 × 15,982.40
  4. Step 4: Simplify right side
    27,311.68x = 602,464,878.85
  5. Step 5: Solve for x
    x = 602,464,878.85/27,311.68
  6. Step 6: Final answer
    x = 22,058.87

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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.