Home / 36,788.31-50,769.18-28,816.70

Finding the Fourth Proportional to 36,788.31, 50,769.18 and 28,816.70

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Solution

The fourth proportional to 36,788.31, 50,769.18 and 28,816.70 is: 39,768.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,788.31 : 50,769.18 = 28,816.70 : x
  2. Step 2: Convert to fraction form
    36,788.31/50,769.18 = 28,816.70/x
  3. Step 3: Cross multiply
    36,788.31x = 50,769.18 × 28,816.70
  4. Step 4: Simplify right side
    36,788.31x = 1,462,999,975.46
  5. Step 5: Solve for x
    x = 1,462,999,975.46/36,788.31
  6. Step 6: Final answer
    x = 39,768.07

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1.5x scale

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.