Home / 65,829.78-98,756.96-26,389.98

Finding the Fourth Proportional to 65,829.78, 98,756.96 and 26,389.98

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Solution

The fourth proportional to 65,829.78, 98,756.96 and 26,389.98 is: 39,589.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,829.78 : 98,756.96 = 26,389.98 : x
  2. Step 2: Convert to fraction form
    65,829.78/98,756.96 = 26,389.98/x
  3. Step 3: Cross multiply
    65,829.78x = 98,756.96 × 26,389.98
  4. Step 4: Simplify right side
    65,829.78x = 2,606,194,067.31
  5. Step 5: Solve for x
    x = 2,606,194,067.31/65,829.78
  6. Step 6: Final answer
    x = 39,589.89

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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.