Home / 28,207.46-42,311.93-9,487.82

Finding the Fourth Proportional to 28,207.46, 42,311.93 and 9,487.82

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Solution

The fourth proportional to 28,207.46, 42,311.93 and 9,487.82 is: 14,231.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,207.46 : 42,311.93 = 9,487.82 : x
  2. Step 2: Convert to fraction form
    28,207.46/42,311.93 = 9,487.82/x
  3. Step 3: Cross multiply
    28,207.46x = 42,311.93 × 9,487.82
  4. Step 4: Simplify right side
    28,207.46x = 401,447,716.69
  5. Step 5: Solve for x
    x = 401,447,716.69/28,207.46
  6. Step 6: Final answer
    x = 14,231.97

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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.