Home / 52,674.49-72,690.81-28,801.36

Finding the Fourth Proportional to 52,674.49, 72,690.81 and 28,801.36

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Solution

The fourth proportional to 52,674.49, 72,690.81 and 28,801.36 is: 39,745.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,674.49 : 72,690.81 = 28,801.36 : x
  2. Step 2: Convert to fraction form
    52,674.49/72,690.81 = 28,801.36/x
  3. Step 3: Cross multiply
    52,674.49x = 72,690.81 × 28,801.36
  4. Step 4: Simplify right side
    52,674.49x = 2,093,594,187.50
  5. Step 5: Solve for x
    x = 2,093,594,187.50/52,674.49
  6. Step 6: Final answer
    x = 39,745.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.