Home / 26,935.56-40,403.38-12,892.30

Finding the Fourth Proportional to 26,935.56, 40,403.38 and 12,892.30

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Solution

The fourth proportional to 26,935.56, 40,403.38 and 12,892.30 is: 19,338.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,935.56 : 40,403.38 = 12,892.30 : x
  2. Step 2: Convert to fraction form
    26,935.56/40,403.38 = 12,892.30/x
  3. Step 3: Cross multiply
    26,935.56x = 40,403.38 × 12,892.30
  4. Step 4: Simplify right side
    26,935.56x = 520,892,495.97
  5. Step 5: Solve for x
    x = 520,892,495.97/26,935.56
  6. Step 6: Final answer
    x = 19,338.47

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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.