Home / 26,943.72-40,418.40-10,317.78

Finding the Fourth Proportional to 26,943.72, 40,418.40 and 10,317.78

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Solution

The fourth proportional to 26,943.72, 40,418.40 and 10,317.78 is: 15,477.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,943.72 : 40,418.40 = 10,317.78 : x
  2. Step 2: Convert to fraction form
    26,943.72/40,418.40 = 10,317.78/x
  3. Step 3: Cross multiply
    26,943.72x = 40,418.40 × 10,317.78
  4. Step 4: Simplify right side
    26,943.72x = 417,028,159.15
  5. Step 5: Solve for x
    x = 417,028,159.15/26,943.72
  6. Step 6: Final answer
    x = 15,477.75

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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.