Home / 53,278.29-79,850.61-28,256.58

Finding the Fourth Proportional to 53,278.29, 79,850.61 and 28,256.58

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Solution

The fourth proportional to 53,278.29, 79,850.61 and 28,256.58 is: 42,349.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,278.29 : 79,850.61 = 28,256.58 : x
  2. Step 2: Convert to fraction form
    53,278.29/79,850.61 = 28,256.58/x
  3. Step 3: Cross multiply
    53,278.29x = 79,850.61 × 28,256.58
  4. Step 4: Simplify right side
    53,278.29x = 2,256,305,419.78
  5. Step 5: Solve for x
    x = 2,256,305,419.78/53,278.29
  6. Step 6: Final answer
    x = 42,349.43

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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.