Home / 27,570.66-38,031.78-16,952.78

Finding the Fourth Proportional to 27,570.66, 38,031.78 and 16,952.78

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Solution

The fourth proportional to 27,570.66, 38,031.78 and 16,952.78 is: 23,385.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,570.66 : 38,031.78 = 16,952.78 : x
  2. Step 2: Convert to fraction form
    27,570.66/38,031.78 = 16,952.78/x
  3. Step 3: Cross multiply
    27,570.66x = 38,031.78 × 16,952.78
  4. Step 4: Simplify right side
    27,570.66x = 644,744,399.35
  5. Step 5: Solve for x
    x = 644,744,399.35/27,570.66
  6. Step 6: Final answer
    x = 23,385.16

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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.