Home / 27,424.68-37,843.70-15,486.90

Finding the Fourth Proportional to 27,424.68, 37,843.70 and 15,486.90

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Solution

The fourth proportional to 27,424.68, 37,843.70 and 15,486.90 is: 21,370.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,424.68 : 37,843.70 = 15,486.90 : x
  2. Step 2: Convert to fraction form
    27,424.68/37,843.70 = 15,486.90/x
  3. Step 3: Cross multiply
    27,424.68x = 37,843.70 × 15,486.90
  4. Step 4: Simplify right side
    27,424.68x = 586,081,597.53
  5. Step 5: Solve for x
    x = 586,081,597.53/27,424.68
  6. Step 6: Final answer
    x = 21,370.59

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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.