Home / 27,581.76-38,065.43-16,254.78

Finding the Fourth Proportional to 27,581.76, 38,065.43 and 16,254.78

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Solution

The fourth proportional to 27,581.76, 38,065.43 and 16,254.78 is: 22,433.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,581.76 : 38,065.43 = 16,254.78 : x
  2. Step 2: Convert to fraction form
    27,581.76/38,065.43 = 16,254.78/x
  3. Step 3: Cross multiply
    27,581.76x = 38,065.43 × 16,254.78
  4. Step 4: Simplify right side
    27,581.76x = 618,745,108.98
  5. Step 5: Solve for x
    x = 618,745,108.98/27,581.76
  6. Step 6: Final answer
    x = 22,433.13

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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.