Home / 26,334.80-39,438.20-13,995.60

Finding the Fourth Proportional to 26,334.80, 39,438.20 and 13,995.60

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Solution

The fourth proportional to 26,334.80, 39,438.20 and 13,995.60 is: 20,959.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,334.80 : 39,438.20 = 13,995.60 : x
  2. Step 2: Convert to fraction form
    26,334.80/39,438.20 = 13,995.60/x
  3. Step 3: Cross multiply
    26,334.80x = 39,438.20 × 13,995.60
  4. Step 4: Simplify right side
    26,334.80x = 551,961,271.92
  5. Step 5: Solve for x
    x = 551,961,271.92/26,334.80
  6. Step 6: Final answer
    x = 20,959.39

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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.