Home / 27,251.94-37,602.72-20,535.42

Finding the Fourth Proportional to 27,251.94, 37,602.72 and 20,535.42

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Solution

The fourth proportional to 27,251.94, 37,602.72 and 20,535.42 is: 28,335.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,251.94 : 37,602.72 = 20,535.42 : x
  2. Step 2: Convert to fraction form
    27,251.94/37,602.72 = 20,535.42/x
  3. Step 3: Cross multiply
    27,251.94x = 37,602.72 × 20,535.42
  4. Step 4: Simplify right side
    27,251.94x = 772,187,648.34
  5. Step 5: Solve for x
    x = 772,187,648.34/27,251.94
  6. Step 6: Final answer
    x = 28,335.14

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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.