Home / 27,601.68-38,091-15,027.12

Finding the Fourth Proportional to 27,601.68, 38,091 and 15,027.12

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Solution

The fourth proportional to 27,601.68, 38,091 and 15,027.12 is: 20,737.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,601.68 : 38,091 = 15,027.12 : x
  2. Step 2: Convert to fraction form
    27,601.68/38,091 = 15,027.12/x
  3. Step 3: Cross multiply
    27,601.68x = 38,091 × 15,027.12
  4. Step 4: Simplify right side
    27,601.68x = 572,398,027.92
  5. Step 5: Solve for x
    x = 572,398,027.92/27,601.68
  6. Step 6: Final answer
    x = 20,737.80

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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.