Home / 52,431.65-78,628.94-16,891.53

Finding the Fourth Proportional to 52,431.65, 78,628.94 and 16,891.53

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Solution

The fourth proportional to 52,431.65, 78,628.94 and 16,891.53 is: 25,331.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,431.65 : 78,628.94 = 16,891.53 : x
  2. Step 2: Convert to fraction form
    52,431.65/78,628.94 = 16,891.53/x
  3. Step 3: Cross multiply
    52,431.65x = 78,628.94 × 16,891.53
  4. Step 4: Simplify right side
    52,431.65x = 1,328,163,077.76
  5. Step 5: Solve for x
    x = 1,328,163,077.76/52,431.65
  6. Step 6: Final answer
    x = 25,331.33

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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.