Home / 27,572.79-38,034.72-16,954.91

Finding the Fourth Proportional to 27,572.79, 38,034.72 and 16,954.91

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Solution

The fourth proportional to 27,572.79, 38,034.72 and 16,954.91 is: 23,388.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,572.79 : 38,034.72 = 16,954.91 : x
  2. Step 2: Convert to fraction form
    27,572.79/38,034.72 = 16,954.91/x
  3. Step 3: Cross multiply
    27,572.79x = 38,034.72 × 16,954.91
  4. Step 4: Simplify right side
    27,572.79x = 644,875,064.30
  5. Step 5: Solve for x
    x = 644,875,064.30/27,572.79
  6. Step 6: Final answer
    x = 23,388.10

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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.