Home / 26,811.71-40,212.28-9,040.64

Finding the Fourth Proportional to 26,811.71, 40,212.28 and 9,040.64

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Solution

The fourth proportional to 26,811.71, 40,212.28 and 9,040.64 is: 13,559.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,811.71 : 40,212.28 = 9,040.64 : x
  2. Step 2: Convert to fraction form
    26,811.71/40,212.28 = 9,040.64/x
  3. Step 3: Cross multiply
    26,811.71x = 40,212.28 × 9,040.64
  4. Step 4: Simplify right side
    26,811.71x = 363,544,747.06
  5. Step 5: Solve for x
    x = 363,544,747.06/26,811.71
  6. Step 6: Final answer
    x = 13,559.18

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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.