Home / 28,349.43-42,524.55-9,881.43

Finding the Fourth Proportional to 28,349.43, 42,524.55 and 9,881.43

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Solution

The fourth proportional to 28,349.43, 42,524.55 and 9,881.43 is: 14,822.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,349.43 : 42,524.55 = 9,881.43 : x
  2. Step 2: Convert to fraction form
    28,349.43/42,524.55 = 9,881.43/x
  3. Step 3: Cross multiply
    28,349.43x = 42,524.55 × 9,881.43
  4. Step 4: Simplify right side
    28,349.43x = 420,203,364.11
  5. Step 5: Solve for x
    x = 420,203,364.11/28,349.43
  6. Step 6: Final answer
    x = 14,822.29

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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.