Home / 20,577.20-30,847.32-7,426.48

Finding the Fourth Proportional to 20,577.20, 30,847.32 and 7,426.48

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Solution

The fourth proportional to 20,577.20, 30,847.32 and 7,426.48 is: 11,133.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,577.20 : 30,847.32 = 7,426.48 : x
  2. Step 2: Convert to fraction form
    20,577.20/30,847.32 = 7,426.48/x
  3. Step 3: Cross multiply
    20,577.20x = 30,847.32 × 7,426.48
  4. Step 4: Simplify right side
    20,577.20x = 229,087,005.03
  5. Step 5: Solve for x
    x = 229,087,005.03/20,577.20
  6. Step 6: Final answer
    x = 11,133.05

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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.