Home / 52,878.25-79,308.87-15,429.53

Finding the Fourth Proportional to 52,878.25, 79,308.87 and 15,429.53

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Solution

The fourth proportional to 52,878.25, 79,308.87 and 15,429.53 is: 23,141.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,878.25 : 79,308.87 = 15,429.53 : x
  2. Step 2: Convert to fraction form
    52,878.25/79,308.87 = 15,429.53/x
  3. Step 3: Cross multiply
    52,878.25x = 79,308.87 × 15,429.53
  4. Step 4: Simplify right side
    52,878.25x = 1,223,698,511.78
  5. Step 5: Solve for x
    x = 1,223,698,511.78/52,878.25
  6. Step 6: Final answer
    x = 23,141.81

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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.