Home / 27,555.17-38,034.72-16,223.76

Finding the Fourth Proportional to 27,555.17, 38,034.72 and 16,223.76

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Solution

The fourth proportional to 27,555.17, 38,034.72 and 16,223.76 is: 22,393.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,555.17 : 38,034.72 = 16,223.76 : x
  2. Step 2: Convert to fraction form
    27,555.17/38,034.72 = 16,223.76/x
  3. Step 3: Cross multiply
    27,555.17x = 38,034.72 × 16,223.76
  4. Step 4: Simplify right side
    27,555.17x = 617,066,168.95
  5. Step 5: Solve for x
    x = 617,066,168.95/27,555.17
  6. Step 6: Final answer
    x = 22,393.85

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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.