Home / 52,262.82-72,122.01-28,390.26

Finding the Fourth Proportional to 52,262.82, 72,122.01 and 28,390.26

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Solution

The fourth proportional to 52,262.82, 72,122.01 and 28,390.26 is: 39,178.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,262.82 : 72,122.01 = 28,390.26 : x
  2. Step 2: Convert to fraction form
    52,262.82/72,122.01 = 28,390.26/x
  3. Step 3: Cross multiply
    52,262.82x = 72,122.01 × 28,390.26
  4. Step 4: Simplify right side
    52,262.82x = 2,047,562,615.62
  5. Step 5: Solve for x
    x = 2,047,562,615.62/52,262.82
  6. Step 6: Final answer
    x = 39,178.19

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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.