Home / 26,328.71-39,449.33-18,521.12

Finding the Fourth Proportional to 26,328.71, 39,449.33 and 18,521.12

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Solution

The fourth proportional to 26,328.71, 39,449.33 and 18,521.12 is: 27,750.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,328.71 : 39,449.33 = 18,521.12 : x
  2. Step 2: Convert to fraction form
    26,328.71/39,449.33 = 18,521.12/x
  3. Step 3: Cross multiply
    26,328.71x = 39,449.33 × 18,521.12
  4. Step 4: Simplify right side
    26,328.71x = 730,645,850.32
  5. Step 5: Solve for x
    x = 730,645,850.32/26,328.71
  6. Step 6: Final answer
    x = 27,750.91

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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.