Home / 28,431.72-39,215.46-24,648.12

Finding the Fourth Proportional to 28,431.72, 39,215.46 and 24,648.12

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Solution

The fourth proportional to 28,431.72, 39,215.46 and 24,648.12 is: 33,996.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,431.72 : 39,215.46 = 24,648.12 : x
  2. Step 2: Convert to fraction form
    28,431.72/39,215.46 = 24,648.12/x
  3. Step 3: Cross multiply
    28,431.72x = 39,215.46 × 24,648.12
  4. Step 4: Simplify right side
    28,431.72x = 966,587,363.94
  5. Step 5: Solve for x
    x = 966,587,363.94/28,431.72
  6. Step 6: Final answer
    x = 33,996.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.