Home / 26,777.39-40,172.15-18,460.71

Finding the Fourth Proportional to 26,777.39, 40,172.15 and 18,460.71

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Solution

The fourth proportional to 26,777.39, 40,172.15 and 18,460.71 is: 27,695.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,777.39 : 40,172.15 = 18,460.71 : x
  2. Step 2: Convert to fraction form
    26,777.39/40,172.15 = 18,460.71/x
  3. Step 3: Cross multiply
    26,777.39x = 40,172.15 × 18,460.71
  4. Step 4: Simplify right side
    26,777.39x = 741,606,457.38
  5. Step 5: Solve for x
    x = 741,606,457.38/26,777.39
  6. Step 6: Final answer
    x = 27,695.25

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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.