Home / 28,804.50-39,752.22-16,229.28

Finding the Fourth Proportional to 28,804.50, 39,752.22 and 16,229.28

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Solution

The fourth proportional to 28,804.50, 39,752.22 and 16,229.28 is: 22,397.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,804.50 : 39,752.22 = 16,229.28 : x
  2. Step 2: Convert to fraction form
    28,804.50/39,752.22 = 16,229.28/x
  3. Step 3: Cross multiply
    28,804.50x = 39,752.22 × 16,229.28
  4. Step 4: Simplify right side
    28,804.50x = 645,149,909.00
  5. Step 5: Solve for x
    x = 645,149,909.00/28,804.50
  6. Step 6: Final answer
    x = 22,397.54

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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.