Home / 27,188.23-37,519.53-15,251.31

Finding the Fourth Proportional to 27,188.23, 37,519.53 and 15,251.31

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Solution

The fourth proportional to 27,188.23, 37,519.53 and 15,251.31 is: 21,046.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,188.23 : 37,519.53 = 15,251.31 : x
  2. Step 2: Convert to fraction form
    27,188.23/37,519.53 = 15,251.31/x
  3. Step 3: Cross multiply
    27,188.23x = 37,519.53 × 15,251.31
  4. Step 4: Simplify right side
    27,188.23x = 572,221,983.08
  5. Step 5: Solve for x
    x = 572,221,983.08/27,188.23
  6. Step 6: Final answer
    x = 21,046.68

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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.