Home / 27,621.52-38,117.64-15,046.24

Finding the Fourth Proportional to 27,621.52, 38,117.64 and 15,046.24

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Solution

The fourth proportional to 27,621.52, 38,117.64 and 15,046.24 is: 20,763.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,621.52 : 38,117.64 = 15,046.24 : x
  2. Step 2: Convert to fraction form
    27,621.52/38,117.64 = 15,046.24/x
  3. Step 3: Cross multiply
    27,621.52x = 38,117.64 × 15,046.24
  4. Step 4: Simplify right side
    27,621.52x = 573,527,159.67
  5. Step 5: Solve for x
    x = 573,527,159.67/27,621.52
  6. Step 6: Final answer
    x = 20,763.78

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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.