Home / 53,278.29-79,910.33-15,837.66

Finding the Fourth Proportional to 53,278.29, 79,910.33 and 15,837.66

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Solution

The fourth proportional to 53,278.29, 79,910.33 and 15,837.66 is: 23,754.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,278.29 : 79,910.33 = 15,837.66 : x
  2. Step 2: Convert to fraction form
    53,278.29/79,910.33 = 15,837.66/x
  3. Step 3: Cross multiply
    53,278.29x = 79,910.33 × 15,837.66
  4. Step 4: Simplify right side
    53,278.29x = 1,265,592,557.84
  5. Step 5: Solve for x
    x = 1,265,592,557.84/53,278.29
  6. Step 6: Final answer
    x = 23,754.38

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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.