Home / 52,807.20-72,873.92-28,935.36

Finding the Fourth Proportional to 52,807.20, 72,873.92 and 28,935.36

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Solution

The fourth proportional to 52,807.20, 72,873.92 and 28,935.36 is: 39,930.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,807.20 : 72,873.92 = 28,935.36 : x
  2. Step 2: Convert to fraction form
    52,807.20/72,873.92 = 28,935.36/x
  3. Step 3: Cross multiply
    52,807.20x = 72,873.92 × 28,935.36
  4. Step 4: Simplify right side
    52,807.20x = 2,108,633,109.81
  5. Step 5: Solve for x
    x = 2,108,633,109.81/52,807.20
  6. Step 6: Final answer
    x = 39,930.79

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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.