Home / 28,223.09-38,943.78-16,284.23

Finding the Fourth Proportional to 28,223.09, 38,943.78 and 16,284.23

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Solution

The fourth proportional to 28,223.09, 38,943.78 and 16,284.23 is: 22,469.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,223.09 : 38,943.78 = 16,284.23 : x
  2. Step 2: Convert to fraction form
    28,223.09/38,943.78 = 16,284.23/x
  3. Step 3: Cross multiply
    28,223.09x = 38,943.78 × 16,284.23
  4. Step 4: Simplify right side
    28,223.09x = 634,169,470.59
  5. Step 5: Solve for x
    x = 634,169,470.59/28,223.09
  6. Step 6: Final answer
    x = 22,469.88

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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.