Home / 27,472.35-37,911.63-15,535.92

Finding the Fourth Proportional to 27,472.35, 37,911.63 and 15,535.92

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Solution

The fourth proportional to 27,472.35, 37,911.63 and 15,535.92 is: 21,439.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,472.35 : 37,911.63 = 15,535.92 : x
  2. Step 2: Convert to fraction form
    27,472.35/37,911.63 = 15,535.92/x
  3. Step 3: Cross multiply
    27,472.35x = 37,911.63 × 15,535.92
  4. Step 4: Simplify right side
    27,472.35x = 588,992,050.75
  5. Step 5: Solve for x
    x = 588,992,050.75/27,472.35
  6. Step 6: Final answer
    x = 21,439.45

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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.