Home / 26,772.96-40,127.58-20,177.40

Finding the Fourth Proportional to 26,772.96, 40,127.58 and 20,177.40

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Solution

The fourth proportional to 26,772.96, 40,127.58 and 20,177.40 is: 30,242.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,772.96 : 40,127.58 = 20,177.40 : x
  2. Step 2: Convert to fraction form
    26,772.96/40,127.58 = 20,177.40/x
  3. Step 3: Cross multiply
    26,772.96x = 40,127.58 × 20,177.40
  4. Step 4: Simplify right side
    26,772.96x = 809,670,232.69
  5. Step 5: Solve for x
    x = 809,670,232.69/26,772.96
  6. Step 6: Final answer
    x = 30,242.09

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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.