Home / 28,794.15-39,733.20-21,244.68

Finding the Fourth Proportional to 28,794.15, 39,733.20 and 21,244.68

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Solution

The fourth proportional to 28,794.15, 39,733.20 and 21,244.68 is: 29,315.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,794.15 : 39,733.20 = 21,244.68 : x
  2. Step 2: Convert to fraction form
    28,794.15/39,733.20 = 21,244.68/x
  3. Step 3: Cross multiply
    28,794.15x = 39,733.20 × 21,244.68
  4. Step 4: Simplify right side
    28,794.15x = 844,119,119.38
  5. Step 5: Solve for x
    x = 844,119,119.38/28,794.15
  6. Step 6: Final answer
    x = 29,315.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.