Home / 27,082.20-37,374.31-15,145.43

Finding the Fourth Proportional to 27,082.20, 37,374.31 and 15,145.43

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Solution

The fourth proportional to 27,082.20, 37,374.31 and 15,145.43 is: 20,901.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,082.20 : 37,374.31 = 15,145.43 : x
  2. Step 2: Convert to fraction form
    27,082.20/37,374.31 = 15,145.43/x
  3. Step 3: Cross multiply
    27,082.20x = 37,374.31 × 15,145.43
  4. Step 4: Simplify right side
    27,082.20x = 566,050,038.19
  5. Step 5: Solve for x
    x = 566,050,038.19/27,082.20
  6. Step 6: Final answer
    x = 20,901.19

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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.