Home / 26,778.39-40,173.65-18,461.71

Finding the Fourth Proportional to 26,778.39, 40,173.65 and 18,461.71

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Solution

The fourth proportional to 26,778.39, 40,173.65 and 18,461.71 is: 27,696.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,778.39 : 40,173.65 = 18,461.71 : x
  2. Step 2: Convert to fraction form
    26,778.39/40,173.65 = 18,461.71/x
  3. Step 3: Cross multiply
    26,778.39x = 40,173.65 × 18,461.71
  4. Step 4: Simplify right side
    26,778.39x = 741,674,275.94
  5. Step 5: Solve for x
    x = 741,674,275.94/26,778.39
  6. Step 6: Final answer
    x = 27,696.75

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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.