Home / 28,214.72-42,292.25-10,433.96

Finding the Fourth Proportional to 28,214.72, 42,292.25 and 10,433.96

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Solution

The fourth proportional to 28,214.72, 42,292.25 and 10,433.96 is: 15,639.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,214.72 : 42,292.25 = 10,433.96 : x
  2. Step 2: Convert to fraction form
    28,214.72/42,292.25 = 10,433.96/x
  3. Step 3: Cross multiply
    28,214.72x = 42,292.25 × 10,433.96
  4. Step 4: Simplify right side
    28,214.72x = 441,275,381.18
  5. Step 5: Solve for x
    x = 441,275,381.18/28,214.72
  6. Step 6: Final answer
    x = 15,639.90

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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.