Home / 27,746.62-38,290.26-15,809.98

Finding the Fourth Proportional to 27,746.62, 38,290.26 and 15,809.98

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Solution

The fourth proportional to 27,746.62, 38,290.26 and 15,809.98 is: 21,817.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,746.62 : 38,290.26 = 15,809.98 : x
  2. Step 2: Convert to fraction form
    27,746.62/38,290.26 = 15,809.98/x
  3. Step 3: Cross multiply
    27,746.62x = 38,290.26 × 15,809.98
  4. Step 4: Simplify right side
    27,746.62x = 605,368,244.79
  5. Step 5: Solve for x
    x = 605,368,244.79/27,746.62
  6. Step 6: Final answer
    x = 21,817.73

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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.