Home / 27,238.77-40,855.10-7,520.13

Finding the Fourth Proportional to 27,238.77, 40,855.10 and 7,520.13

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Solution

The fourth proportional to 27,238.77, 40,855.10 and 7,520.13 is: 11,279.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,238.77 : 40,855.10 = 7,520.13 : x
  2. Step 2: Convert to fraction form
    27,238.77/40,855.10 = 7,520.13/x
  3. Step 3: Cross multiply
    27,238.77x = 40,855.10 × 7,520.13
  4. Step 4: Simplify right side
    27,238.77x = 307,235,625.56
  5. Step 5: Solve for x
    x = 307,235,625.56/27,238.77
  6. Step 6: Final answer
    x = 11,279.35

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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.