Home / 27,465.52-41,191.80-12,665.20

Finding the Fourth Proportional to 27,465.52, 41,191.80 and 12,665.20

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Solution

The fourth proportional to 27,465.52, 41,191.80 and 12,665.20 is: 18,994.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,465.52 : 41,191.80 = 12,665.20 : x
  2. Step 2: Convert to fraction form
    27,465.52/41,191.80 = 12,665.20/x
  3. Step 3: Cross multiply
    27,465.52x = 41,191.80 × 12,665.20
  4. Step 4: Simplify right side
    27,465.52x = 521,702,385.36
  5. Step 5: Solve for x
    x = 521,702,385.36/27,465.52
  6. Step 6: Final answer
    x = 18,994.81

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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.