Home / 28,869.26-39,838.82-16,293.92

Finding the Fourth Proportional to 28,869.26, 39,838.82 and 16,293.92

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Solution

The fourth proportional to 28,869.26, 39,838.82 and 16,293.92 is: 22,485.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,869.26 : 39,838.82 = 16,293.92 : x
  2. Step 2: Convert to fraction form
    28,869.26/39,838.82 = 16,293.92/x
  3. Step 3: Cross multiply
    28,869.26x = 39,838.82 × 16,293.92
  4. Step 4: Simplify right side
    28,869.26x = 649,130,545.97
  5. Step 5: Solve for x
    x = 649,130,545.97/28,869.26
  6. Step 6: Final answer
    x = 22,485.18

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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.