Home / 26,935.74-40,378.66-13,759.06

Finding the Fourth Proportional to 26,935.74, 40,378.66 and 13,759.06

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Solution

The fourth proportional to 26,935.74, 40,378.66 and 13,759.06 is: 20,625.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,935.74 : 40,378.66 = 13,759.06 : x
  2. Step 2: Convert to fraction form
    26,935.74/40,378.66 = 13,759.06/x
  3. Step 3: Cross multiply
    26,935.74x = 40,378.66 × 13,759.06
  4. Step 4: Simplify right side
    26,935.74x = 555,572,405.66
  5. Step 5: Solve for x
    x = 555,572,405.66/26,935.74
  6. Step 6: Final answer
    x = 20,625.85

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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.