Home / 52,871.86-72,963.24-28,998.70

Finding the Fourth Proportional to 52,871.86, 72,963.24 and 28,998.70

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Solution

The fourth proportional to 52,871.86, 72,963.24 and 28,998.70 is: 40,018.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,871.86 : 72,963.24 = 28,998.70 : x
  2. Step 2: Convert to fraction form
    52,871.86/72,963.24 = 28,998.70/x
  3. Step 3: Cross multiply
    52,871.86x = 72,963.24 × 28,998.70
  4. Step 4: Simplify right side
    52,871.86x = 2,115,839,107.79
  5. Step 5: Solve for x
    x = 2,115,839,107.79/52,871.86
  6. Step 6: Final answer
    x = 40,018.25

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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.