Home / 26,881.13-40,327.74-9,110.78

Finding the Fourth Proportional to 26,881.13, 40,327.74 and 9,110.78

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Solution

The fourth proportional to 26,881.13, 40,327.74 and 9,110.78 is: 13,668.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,881.13 : 40,327.74 = 9,110.78 : x
  2. Step 2: Convert to fraction form
    26,881.13/40,327.74 = 9,110.78/x
  3. Step 3: Cross multiply
    26,881.13x = 40,327.74 × 9,110.78
  4. Step 4: Simplify right side
    26,881.13x = 367,417,167.04
  5. Step 5: Solve for x
    x = 367,417,167.04/26,881.13
  6. Step 6: Final answer
    x = 13,668.22

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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.