Home / 52,800.46-72,864.69-28,928.66

Finding the Fourth Proportional to 52,800.46, 72,864.69 and 28,928.66

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Solution

The fourth proportional to 52,800.46, 72,864.69 and 28,928.66 is: 39,921.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,800.46 : 72,864.69 = 28,928.66 : x
  2. Step 2: Convert to fraction form
    52,800.46/72,864.69 = 28,928.66/x
  3. Step 3: Cross multiply
    52,800.46x = 72,864.69 × 28,928.66
  4. Step 4: Simplify right side
    52,800.46x = 2,107,877,843.02
  5. Step 5: Solve for x
    x = 2,107,877,843.02/52,800.46
  6. Step 6: Final answer
    x = 39,921.58

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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.