Home / 27,367.86-37,767.71-15,431.18

Finding the Fourth Proportional to 27,367.86, 37,767.71 and 15,431.18

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Solution

The fourth proportional to 27,367.86, 37,767.71 and 15,431.18 is: 21,295.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,367.86 : 37,767.71 = 15,431.18 : x
  2. Step 2: Convert to fraction form
    27,367.86/37,767.71 = 15,431.18/x
  3. Step 3: Cross multiply
    27,367.86x = 37,767.71 × 15,431.18
  4. Step 4: Simplify right side
    27,367.86x = 582,800,065.20
  5. Step 5: Solve for x
    x = 582,800,065.20/27,367.86
  6. Step 6: Final answer
    x = 21,295.05

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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.