Home / 27,023.91-37,287-15,686.88

Finding the Fourth Proportional to 27,023.91, 37,287 and 15,686.88

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Solution

The fourth proportional to 27,023.91, 37,287 and 15,686.88 is: 21,644.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,023.91 : 37,287 = 15,686.88 : x
  2. Step 2: Convert to fraction form
    27,023.91/37,287 = 15,686.88/x
  3. Step 3: Cross multiply
    27,023.91x = 37,287 × 15,686.88
  4. Step 4: Simplify right side
    27,023.91x = 584,916,694.56
  5. Step 5: Solve for x
    x = 584,916,694.56/27,023.91
  6. Step 6: Final answer
    x = 21,644.41

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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.