Home / 28,294.49-39,047.45-16,965.83

Finding the Fourth Proportional to 28,294.49, 39,047.45 and 16,965.83

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Solution

The fourth proportional to 28,294.49, 39,047.45 and 16,965.83 is: 23,413.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,294.49 : 39,047.45 = 16,965.83 : x
  2. Step 2: Convert to fraction form
    28,294.49/39,047.45 = 16,965.83/x
  3. Step 3: Cross multiply
    28,294.49x = 39,047.45 × 16,965.83
  4. Step 4: Simplify right side
    28,294.49x = 662,472,118.57
  5. Step 5: Solve for x
    x = 662,472,118.57/28,294.49
  6. Step 6: Final answer
    x = 23,413.47

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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.