Home / 27,043.20-40,569.40-8,322.81

Finding the Fourth Proportional to 27,043.20, 40,569.40 and 8,322.81

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Solution

The fourth proportional to 27,043.20, 40,569.40 and 8,322.81 is: 12,485.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,043.20 : 40,569.40 = 8,322.81 : x
  2. Step 2: Convert to fraction form
    27,043.20/40,569.40 = 8,322.81/x
  3. Step 3: Cross multiply
    27,043.20x = 40,569.40 × 8,322.81
  4. Step 4: Simplify right side
    27,043.20x = 337,651,408.01
  5. Step 5: Solve for x
    x = 337,651,408.01/27,043.20
  6. Step 6: Final answer
    x = 12,485.63

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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.