Home / 53,286.96-79,983.12-28,327.08

Finding the Fourth Proportional to 53,286.96, 79,983.12 and 28,327.08

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Solution

The fourth proportional to 53,286.96, 79,983.12 and 28,327.08 is: 42,518.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,286.96 : 79,983.12 = 28,327.08 : x
  2. Step 2: Convert to fraction form
    53,286.96/79,983.12 = 28,327.08/x
  3. Step 3: Cross multiply
    53,286.96x = 79,983.12 × 28,327.08
  4. Step 4: Simplify right side
    53,286.96x = 2,265,688,238.89
  5. Step 5: Solve for x
    x = 2,265,688,238.89/53,286.96
  6. Step 6: Final answer
    x = 42,518.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.