Home / 29,284.97-40,413.33-15,856.11

Finding the Fourth Proportional to 29,284.97, 40,413.33 and 15,856.11

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Solution

The fourth proportional to 29,284.97, 40,413.33 and 15,856.11 is: 21,881.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,284.97 : 40,413.33 = 15,856.11 : x
  2. Step 2: Convert to fraction form
    29,284.97/40,413.33 = 15,856.11/x
  3. Step 3: Cross multiply
    29,284.97x = 40,413.33 × 15,856.11
  4. Step 4: Simplify right side
    29,284.97x = 640,798,205.95
  5. Step 5: Solve for x
    x = 640,798,205.95/29,284.97
  6. Step 6: Final answer
    x = 21,881.47

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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.