Home / 53,277.45-79,902.30-15,828.72

Finding the Fourth Proportional to 53,277.45, 79,902.30 and 15,828.72

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Solution

The fourth proportional to 53,277.45, 79,902.30 and 15,828.72 is: 23,738.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,277.45 : 79,902.30 = 15,828.72 : x
  2. Step 2: Convert to fraction form
    53,277.45/79,902.30 = 15,828.72/x
  3. Step 3: Cross multiply
    53,277.45x = 79,902.30 × 15,828.72
  4. Step 4: Simplify right side
    53,277.45x = 1,264,751,134.06
  5. Step 5: Solve for x
    x = 1,264,751,134.06/53,277.45
  6. Step 6: Final answer
    x = 23,738.96

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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.