Home / 28,207.26-42,305.45-10,678.46

Finding the Fourth Proportional to 28,207.26, 42,305.45 and 10,678.46

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Solution

The fourth proportional to 28,207.26, 42,305.45 and 10,678.46 is: 16,015.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,207.26 : 42,305.45 = 10,678.46 : x
  2. Step 2: Convert to fraction form
    28,207.26/42,305.45 = 10,678.46/x
  3. Step 3: Cross multiply
    28,207.26x = 42,305.45 × 10,678.46
  4. Step 4: Simplify right side
    28,207.26x = 451,756,790.69
  5. Step 5: Solve for x
    x = 451,756,790.69/28,207.26
  6. Step 6: Final answer
    x = 16,015.62

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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.