Home / 20,575.96-30,857.58-7,426.66

Finding the Fourth Proportional to 20,575.96, 30,857.58 and 7,426.66

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Solution

The fourth proportional to 20,575.96, 30,857.58 and 7,426.66 is: 11,137.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,575.96 : 30,857.58 = 7,426.66 : x
  2. Step 2: Convert to fraction form
    20,575.96/30,857.58 = 7,426.66/x
  3. Step 3: Cross multiply
    20,575.96x = 30,857.58 × 7,426.66
  4. Step 4: Simplify right side
    20,575.96x = 229,168,755.08
  5. Step 5: Solve for x
    x = 229,168,755.08/20,575.96
  6. Step 6: Final answer
    x = 11,137.69

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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.