Home / 27,621.32-38,117.42-15,046.06

Finding the Fourth Proportional to 27,621.32, 38,117.42 and 15,046.06

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Solution

The fourth proportional to 27,621.32, 38,117.42 and 15,046.06 is: 20,763.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,621.32 : 38,117.42 = 15,046.06 : x
  2. Step 2: Convert to fraction form
    27,621.32/38,117.42 = 15,046.06/x
  3. Step 3: Cross multiply
    27,621.32x = 38,117.42 × 15,046.06
  4. Step 4: Simplify right side
    27,621.32x = 573,516,988.37
  5. Step 5: Solve for x
    x = 573,516,988.37/27,621.32
  6. Step 6: Final answer
    x = 20,763.56

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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.