Home / 28,429.92-39,235.05-16,334.19

Finding the Fourth Proportional to 28,429.92, 39,235.05 and 16,334.19

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Solution

The fourth proportional to 28,429.92, 39,235.05 and 16,334.19 is: 22,542.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,429.92 : 39,235.05 = 16,334.19 : x
  2. Step 2: Convert to fraction form
    28,429.92/39,235.05 = 16,334.19/x
  3. Step 3: Cross multiply
    28,429.92x = 39,235.05 × 16,334.19
  4. Step 4: Simplify right side
    28,429.92x = 640,872,761.36
  5. Step 5: Solve for x
    x = 640,872,761.36/28,429.92
  6. Step 6: Final answer
    x = 22,542.19

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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.