Home / 27,470.64-37,910.22-15,535.75

Finding the Fourth Proportional to 27,470.64, 37,910.22 and 15,535.75

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Solution

The fourth proportional to 27,470.64, 37,910.22 and 15,535.75 is: 21,439.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,470.64 : 37,910.22 = 15,535.75 : x
  2. Step 2: Convert to fraction form
    27,470.64/37,910.22 = 15,535.75/x
  3. Step 3: Cross multiply
    27,470.64x = 37,910.22 × 15,535.75
  4. Step 4: Simplify right side
    27,470.64x = 588,963,700.37
  5. Step 5: Solve for x
    x = 588,963,700.37/27,470.64
  6. Step 6: Final answer
    x = 21,439.75

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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.