Home / 27,881.49-38,475.40-15,944.52

Finding the Fourth Proportional to 27,881.49, 38,475.40 and 15,944.52

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Solution

The fourth proportional to 27,881.49, 38,475.40 and 15,944.52 is: 22,002.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,881.49 : 38,475.40 = 15,944.52 : x
  2. Step 2: Convert to fraction form
    27,881.49/38,475.40 = 15,944.52/x
  3. Step 3: Cross multiply
    27,881.49x = 38,475.40 × 15,944.52
  4. Step 4: Simplify right side
    27,881.49x = 613,471,784.81
  5. Step 5: Solve for x
    x = 613,471,784.81/27,881.49
  6. Step 6: Final answer
    x = 22,002.83

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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.