Home / 26,937.70-40,420.39-11,955.08

Finding the Fourth Proportional to 26,937.70, 40,420.39 and 11,955.08

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Solution

The fourth proportional to 26,937.70, 40,420.39 and 11,955.08 is: 17,938.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,937.70 : 40,420.39 = 11,955.08 : x
  2. Step 2: Convert to fraction form
    26,937.70/40,420.39 = 11,955.08/x
  3. Step 3: Cross multiply
    26,937.70x = 40,420.39 × 11,955.08
  4. Step 4: Simplify right side
    26,937.70x = 483,229,067.24
  5. Step 5: Solve for x
    x = 483,229,067.24/26,937.70
  6. Step 6: Final answer
    x = 17,938.77

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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.