Home / 27,967.20-38,594.74-15,391.96

Finding the Fourth Proportional to 27,967.20, 38,594.74 and 15,391.96

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Solution

The fourth proportional to 27,967.20, 38,594.74 and 15,391.96 is: 21,240.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,967.20 : 38,594.74 = 15,391.96 : x
  2. Step 2: Convert to fraction form
    27,967.20/38,594.74 = 15,391.96/x
  3. Step 3: Cross multiply
    27,967.20x = 38,594.74 × 15,391.96
  4. Step 4: Simplify right side
    27,967.20x = 594,048,694.29
  5. Step 5: Solve for x
    x = 594,048,694.29/27,967.20
  6. Step 6: Final answer
    x = 21,240.91

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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.