Home / 27,310.86-37,689.03-15,374.30

Finding the Fourth Proportional to 27,310.86, 37,689.03 and 15,374.30

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Solution

The fourth proportional to 27,310.86, 37,689.03 and 15,374.30 is: 21,216.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,310.86 : 37,689.03 = 15,374.30 : x
  2. Step 2: Convert to fraction form
    27,310.86/37,689.03 = 15,374.30/x
  3. Step 3: Cross multiply
    27,310.86x = 37,689.03 × 15,374.30
  4. Step 4: Simplify right side
    27,310.86x = 579,442,453.93
  5. Step 5: Solve for x
    x = 579,442,453.93/27,310.86
  6. Step 6: Final answer
    x = 21,216.56

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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.