Home / 27,771.61-38,324.78-15,024.76

Finding the Fourth Proportional to 27,771.61, 38,324.78 and 15,024.76

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Solution

The fourth proportional to 27,771.61, 38,324.78 and 15,024.76 is: 20,734.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,771.61 : 38,324.78 = 15,024.76 : x
  2. Step 2: Convert to fraction form
    27,771.61/38,324.78 = 15,024.76/x
  3. Step 3: Cross multiply
    27,771.61x = 38,324.78 × 15,024.76
  4. Step 4: Simplify right side
    27,771.61x = 575,820,701.41
  5. Step 5: Solve for x
    x = 575,820,701.41/27,771.61
  6. Step 6: Final answer
    x = 20,734.15

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Half scale
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Double scale
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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.