Home / 27,153.99-40,732.52-8,436.69

Finding the Fourth Proportional to 27,153.99, 40,732.52 and 8,436.69

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Solution

The fourth proportional to 27,153.99, 40,732.52 and 8,436.69 is: 12,655.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,153.99 : 40,732.52 = 8,436.69 : x
  2. Step 2: Convert to fraction form
    27,153.99/40,732.52 = 8,436.69/x
  3. Step 3: Cross multiply
    27,153.99x = 40,732.52 × 8,436.69
  4. Step 4: Simplify right side
    27,153.99x = 343,647,644.16
  5. Step 5: Solve for x
    x = 343,647,644.16/27,153.99
  6. Step 6: Final answer
    x = 12,655.51

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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.