Home / 28,365.92-39,144.92-16,429.84

Finding the Fourth Proportional to 28,365.92, 39,144.92 and 16,429.84

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Solution

The fourth proportional to 28,365.92, 39,144.92 and 16,429.84 is: 22,673.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,365.92 : 39,144.92 = 16,429.84 : x
  2. Step 2: Convert to fraction form
    28,365.92/39,144.92 = 16,429.84/x
  3. Step 3: Cross multiply
    28,365.92x = 39,144.92 × 16,429.84
  4. Step 4: Simplify right side
    28,365.92x = 643,144,772.41
  5. Step 5: Solve for x
    x = 643,144,772.41/28,365.92
  6. Step 6: Final answer
    x = 22,673.15

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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.