Home / 26,660.30-39,989.23-8,889.71

Finding the Fourth Proportional to 26,660.30, 39,989.23 and 8,889.71

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Solution

The fourth proportional to 26,660.30, 39,989.23 and 8,889.71 is: 13,334.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,660.30 : 39,989.23 = 8,889.71 : x
  2. Step 2: Convert to fraction form
    26,660.30/39,989.23 = 8,889.71/x
  3. Step 3: Cross multiply
    26,660.30x = 39,989.23 × 8,889.71
  4. Step 4: Simplify right side
    26,660.30x = 355,492,413.43
  5. Step 5: Solve for x
    x = 355,492,413.43/26,660.30
  6. Step 6: Final answer
    x = 13,334.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.