Home / 43,768.28-65,638.38-14,178.98

Finding the Fourth Proportional to 43,768.28, 65,638.38 and 14,178.98

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Solution

The fourth proportional to 43,768.28, 65,638.38 and 14,178.98 is: 21,263.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,768.28 : 65,638.38 = 14,178.98 : x
  2. Step 2: Convert to fraction form
    43,768.28/65,638.38 = 14,178.98/x
  3. Step 3: Cross multiply
    43,768.28x = 65,638.38 × 14,178.98
  4. Step 4: Simplify right side
    43,768.28x = 930,685,277.25
  5. Step 5: Solve for x
    x = 930,685,277.25/43,768.28
  6. Step 6: Final answer
    x = 21,263.92

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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.