Home / 27,931.46-41,886.21-10,157.90

Finding the Fourth Proportional to 27,931.46, 41,886.21 and 10,157.90

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Solution

The fourth proportional to 27,931.46, 41,886.21 and 10,157.90 is: 15,232.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,931.46 : 41,886.21 = 10,157.90 : x
  2. Step 2: Convert to fraction form
    27,931.46/41,886.21 = 10,157.90/x
  3. Step 3: Cross multiply
    27,931.46x = 41,886.21 × 10,157.90
  4. Step 4: Simplify right side
    27,931.46x = 425,475,932.56
  5. Step 5: Solve for x
    x = 425,475,932.56/27,931.46
  6. Step 6: Final answer
    x = 15,232.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.