Home / 27,972.74-42,112.23-25,523.30

Finding the Fourth Proportional to 27,972.74, 42,112.23 and 25,523.30

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Solution

The fourth proportional to 27,972.74, 42,112.23 and 25,523.30 is: 38,424.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,972.74 : 42,112.23 = 25,523.30 : x
  2. Step 2: Convert to fraction form
    27,972.74/42,112.23 = 25,523.30/x
  3. Step 3: Cross multiply
    27,972.74x = 42,112.23 × 25,523.30
  4. Step 4: Simplify right side
    27,972.74x = 1,074,842,910.87
  5. Step 5: Solve for x
    x = 1,074,842,910.87/27,972.74
  6. Step 6: Final answer
    x = 38,424.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.