Home / 43,426.28-65,101.02-18,788.84

Finding the Fourth Proportional to 43,426.28, 65,101.02 and 18,788.84

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Solution

The fourth proportional to 43,426.28, 65,101.02 and 18,788.84 is: 28,166.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,426.28 : 65,101.02 = 18,788.84 : x
  2. Step 2: Convert to fraction form
    43,426.28/65,101.02 = 18,788.84/x
  3. Step 3: Cross multiply
    43,426.28x = 65,101.02 × 18,788.84
  4. Step 4: Simplify right side
    43,426.28x = 1,223,172,648.62
  5. Step 5: Solve for x
    x = 1,223,172,648.62/43,426.28
  6. Step 6: Final answer
    x = 28,166.65

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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.