Home / 26,780.71-40,173.06-9,011.41

Finding the Fourth Proportional to 26,780.71, 40,173.06 and 9,011.41

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Solution

The fourth proportional to 26,780.71, 40,173.06 and 9,011.41 is: 13,517.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,780.71 : 40,173.06 = 9,011.41 : x
  2. Step 2: Convert to fraction form
    26,780.71/40,173.06 = 9,011.41/x
  3. Step 3: Cross multiply
    26,780.71x = 40,173.06 × 9,011.41
  4. Step 4: Simplify right side
    26,780.71x = 362,015,914.61
  5. Step 5: Solve for x
    x = 362,015,914.61/26,780.71
  6. Step 6: Final answer
    x = 13,517.79

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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.