Home / 27,554.32-38,024.13-16,221.21

Finding the Fourth Proportional to 27,554.32, 38,024.13 and 16,221.21

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Solution

The fourth proportional to 27,554.32, 38,024.13 and 16,221.21 is: 22,384.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,554.32 : 38,024.13 = 16,221.21 : x
  2. Step 2: Convert to fraction form
    27,554.32/38,024.13 = 16,221.21/x
  3. Step 3: Cross multiply
    27,554.32x = 38,024.13 × 16,221.21
  4. Step 4: Simplify right side
    27,554.32x = 616,797,397.80
  5. Step 5: Solve for x
    x = 616,797,397.80/27,554.32
  6. Step 6: Final answer
    x = 22,384.78

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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.