Home / 53,278.61-79,917.89-15,838.52

Finding the Fourth Proportional to 53,278.61, 79,917.89 and 15,838.52

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Solution

The fourth proportional to 53,278.61, 79,917.89 and 15,838.52 is: 23,757.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,278.61 : 79,917.89 = 15,838.52 : x
  2. Step 2: Convert to fraction form
    53,278.61/79,917.89 = 15,838.52/x
  3. Step 3: Cross multiply
    53,278.61x = 79,917.89 × 15,838.52
  4. Step 4: Simplify right side
    53,278.61x = 1,265,780,620.34
  5. Step 5: Solve for x
    x = 1,265,780,620.34/53,278.61
  6. Step 6: Final answer
    x = 23,757.77

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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.