Home / 28,369.44-39,155.76-17,039.43

Finding the Fourth Proportional to 28,369.44, 39,155.76 and 17,039.43

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Solution

The fourth proportional to 28,369.44, 39,155.76 and 17,039.43 is: 23,517.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,369.44 : 39,155.76 = 17,039.43 : x
  2. Step 2: Convert to fraction form
    28,369.44/39,155.76 = 17,039.43/x
  3. Step 3: Cross multiply
    28,369.44x = 39,155.76 × 17,039.43
  4. Step 4: Simplify right side
    28,369.44x = 667,191,831.62
  5. Step 5: Solve for x
    x = 667,191,831.62/28,369.44
  6. Step 6: Final answer
    x = 23,517.98

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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.