Home / 27,621.33-38,117.45-15,046.08

Finding the Fourth Proportional to 27,621.33, 38,117.45 and 15,046.08

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Solution

The fourth proportional to 27,621.33, 38,117.45 and 15,046.08 is: 20,763.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,621.33 : 38,117.45 = 15,046.08 : x
  2. Step 2: Convert to fraction form
    27,621.33/38,117.45 = 15,046.08/x
  3. Step 3: Cross multiply
    27,621.33x = 38,117.45 × 15,046.08
  4. Step 4: Simplify right side
    27,621.33x = 573,518,126.87
  5. Step 5: Solve for x
    x = 573,518,126.87/27,621.33
  6. Step 6: Final answer
    x = 20,763.60

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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.