Home / 52,782.24-72,837.92-28,908.40

Finding the Fourth Proportional to 52,782.24, 72,837.92 and 28,908.40

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Solution

The fourth proportional to 52,782.24, 72,837.92 and 28,908.40 is: 39,892.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,782.24 : 72,837.92 = 28,908.40 : x
  2. Step 2: Convert to fraction form
    52,782.24/72,837.92 = 28,908.40/x
  3. Step 3: Cross multiply
    52,782.24x = 72,837.92 × 28,908.40
  4. Step 4: Simplify right side
    52,782.24x = 2,105,627,726.53
  5. Step 5: Solve for x
    x = 2,105,627,726.53/52,782.24
  6. Step 6: Final answer
    x = 39,892.73

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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.