Home / 27,833.32-38,413.20-15,898.38

Finding the Fourth Proportional to 27,833.32, 38,413.20 and 15,898.38

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Solution

The fourth proportional to 27,833.32, 38,413.20 and 15,898.38 is: 21,941.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,833.32 : 38,413.20 = 15,898.38 : x
  2. Step 2: Convert to fraction form
    27,833.32/38,413.20 = 15,898.38/x
  3. Step 3: Cross multiply
    27,833.32x = 38,413.20 × 15,898.38
  4. Step 4: Simplify right side
    27,833.32x = 610,707,650.62
  5. Step 5: Solve for x
    x = 610,707,650.62/27,833.32
  6. Step 6: Final answer
    x = 21,941.60

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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.