Home / 27,197.10-40,729.95-15,474.78

Finding the Fourth Proportional to 27,197.10, 40,729.95 and 15,474.78

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Solution

The fourth proportional to 27,197.10, 40,729.95 and 15,474.78 is: 23,174.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,197.10 : 40,729.95 = 15,474.78 : x
  2. Step 2: Convert to fraction form
    27,197.10/40,729.95 = 15,474.78/x
  3. Step 3: Cross multiply
    27,197.10x = 40,729.95 × 15,474.78
  4. Step 4: Simplify right side
    27,197.10x = 630,287,015.66
  5. Step 5: Solve for x
    x = 630,287,015.66/27,197.10
  6. Step 6: Final answer
    x = 23,174.79

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1.5x scale

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.