Home / 27,178.56-40,702.16-15,456.24

Finding the Fourth Proportional to 27,178.56, 40,702.16 and 15,456.24

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Solution

The fourth proportional to 27,178.56, 40,702.16 and 15,456.24 is: 23,147.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,178.56 : 40,702.16 = 15,456.24 : x
  2. Step 2: Convert to fraction form
    27,178.56/40,702.16 = 15,456.24/x
  3. Step 3: Cross multiply
    27,178.56x = 40,702.16 × 15,456.24
  4. Step 4: Simplify right side
    27,178.56x = 629,102,353.48
  5. Step 5: Solve for x
    x = 629,102,353.48/27,178.56
  6. Step 6: Final answer
    x = 23,147.01

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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.