Home / 26,914.80-40,396.20-15,807.60

Finding the Fourth Proportional to 26,914.80, 40,396.20 and 15,807.60

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Solution

The fourth proportional to 26,914.80, 40,396.20 and 15,807.60 is: 23,725.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,914.80 : 40,396.20 = 15,807.60 : x
  2. Step 2: Convert to fraction form
    26,914.80/40,396.20 = 15,807.60/x
  3. Step 3: Cross multiply
    26,914.80x = 40,396.20 × 15,807.60
  4. Step 4: Simplify right side
    26,914.80x = 638,566,971.12
  5. Step 5: Solve for x
    x = 638,566,971.12/26,914.80
  6. Step 6: Final answer
    x = 23,725.50

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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.