Home / 27,146.94-40,718.48-8,426.53

Finding the Fourth Proportional to 27,146.94, 40,718.48 and 8,426.53

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Solution

The fourth proportional to 27,146.94, 40,718.48 and 8,426.53 is: 12,639.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,146.94 : 40,718.48 = 8,426.53 : x
  2. Step 2: Convert to fraction form
    27,146.94/40,718.48 = 8,426.53/x
  3. Step 3: Cross multiply
    27,146.94x = 40,718.48 × 8,426.53
  4. Step 4: Simplify right side
    27,146.94x = 343,115,493.27
  5. Step 5: Solve for x
    x = 343,115,493.27/27,146.94
  6. Step 6: Final answer
    x = 12,639.20

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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.