Home / 52,786.90-72,846.17-28,913.50

Finding the Fourth Proportional to 52,786.90, 72,846.17 and 28,913.50

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Solution

The fourth proportional to 52,786.90, 72,846.17 and 28,913.50 is: 39,900.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,786.90 : 72,846.17 = 28,913.50 : x
  2. Step 2: Convert to fraction form
    52,786.90/72,846.17 = 28,913.50/x
  3. Step 3: Cross multiply
    52,786.90x = 72,846.17 × 28,913.50
  4. Step 4: Simplify right side
    52,786.90x = 2,106,237,736.30
  5. Step 5: Solve for x
    x = 2,106,237,736.30/52,786.90
  6. Step 6: Final answer
    x = 39,900.77

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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.