Home / 26,414.40-39,608.80-14,715.20

Finding the Fourth Proportional to 26,414.40, 39,608.80 and 14,715.20

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Solution

The fourth proportional to 26,414.40, 39,608.80 and 14,715.20 is: 22,065.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,414.40 : 39,608.80 = 14,715.20 : x
  2. Step 2: Convert to fraction form
    26,414.40/39,608.80 = 14,715.20/x
  3. Step 3: Cross multiply
    26,414.40x = 39,608.80 × 14,715.20
  4. Step 4: Simplify right side
    26,414.40x = 582,851,413.76
  5. Step 5: Solve for x
    x = 582,851,413.76/26,414.40
  6. Step 6: Final answer
    x = 22,065.67

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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.