Home / 27,121.08-37,418.51-15,182.79

Finding the Fourth Proportional to 27,121.08, 37,418.51 and 15,182.79

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Solution

The fourth proportional to 27,121.08, 37,418.51 and 15,182.79 is: 20,947.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,121.08 : 37,418.51 = 15,182.79 : x
  2. Step 2: Convert to fraction form
    27,121.08/37,418.51 = 15,182.79/x
  3. Step 3: Cross multiply
    27,121.08x = 37,418.51 × 15,182.79
  4. Step 4: Simplify right side
    27,121.08x = 568,117,303.53
  5. Step 5: Solve for x
    x = 568,117,303.53/27,121.08
  6. Step 6: Final answer
    x = 20,947.44

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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.