Home / 52,660.19-72,672.64-28,788.14

Finding the Fourth Proportional to 52,660.19, 72,672.64 and 28,788.14

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Solution

The fourth proportional to 52,660.19, 72,672.64 and 28,788.14 is: 39,728.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,660.19 : 72,672.64 = 28,788.14 : x
  2. Step 2: Convert to fraction form
    52,660.19/72,672.64 = 28,788.14/x
  3. Step 3: Cross multiply
    52,660.19x = 72,672.64 × 28,788.14
  4. Step 4: Simplify right side
    52,660.19x = 2,092,109,699.16
  5. Step 5: Solve for x
    x = 2,092,109,699.16/52,660.19
  6. Step 6: Final answer
    x = 39,728.49

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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.