Home / 27,156.15-40,734.26-7,434.87

Finding the Fourth Proportional to 27,156.15, 40,734.26 and 7,434.87

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Solution

The fourth proportional to 27,156.15, 40,734.26 and 7,434.87 is: 11,152.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,156.15 : 40,734.26 = 7,434.87 : x
  2. Step 2: Convert to fraction form
    27,156.15/40,734.26 = 7,434.87/x
  3. Step 3: Cross multiply
    27,156.15x = 40,734.26 × 7,434.87
  4. Step 4: Simplify right side
    27,156.15x = 302,853,890.47
  5. Step 5: Solve for x
    x = 302,853,890.47/27,156.15
  6. Step 6: Final answer
    x = 11,152.31

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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.