Home / 29,284.96-40,413.58-15,856.52

Finding the Fourth Proportional to 29,284.96, 40,413.58 and 15,856.52

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Solution

The fourth proportional to 29,284.96, 40,413.58 and 15,856.52 is: 21,882.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,284.96 : 40,413.58 = 15,856.52 : x
  2. Step 2: Convert to fraction form
    29,284.96/40,413.58 = 15,856.52/x
  3. Step 3: Cross multiply
    29,284.96x = 40,413.58 × 15,856.52
  4. Step 4: Simplify right side
    29,284.96x = 640,818,739.54
  5. Step 5: Solve for x
    x = 640,818,739.54/29,284.96
  6. Step 6: Final answer
    x = 21,882.18

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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.