Home / 52,860.44-72,947.36-28,662.20

Finding the Fourth Proportional to 52,860.44, 72,947.36 and 28,662.20

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Solution

The fourth proportional to 52,860.44, 72,947.36 and 28,662.20 is: 39,553.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,860.44 : 72,947.36 = 28,662.20 : x
  2. Step 2: Convert to fraction form
    52,860.44/72,947.36 = 28,662.20/x
  3. Step 3: Cross multiply
    52,860.44x = 72,947.36 × 28,662.20
  4. Step 4: Simplify right side
    52,860.44x = 2,090,831,496.11
  5. Step 5: Solve for x
    x = 2,090,831,496.11/52,860.44
  6. Step 6: Final answer
    x = 39,553.81

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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.