Home / 47,513.28-65,563.88-28,389.25

Finding the Fourth Proportional to 47,513.28, 65,563.88 and 28,389.25

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Solution

The fourth proportional to 47,513.28, 65,563.88 and 28,389.25 is: 39,174.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,513.28 : 65,563.88 = 28,389.25 : x
  2. Step 2: Convert to fraction form
    47,513.28/65,563.88 = 28,389.25/x
  3. Step 3: Cross multiply
    47,513.28x = 65,563.88 × 28,389.25
  4. Step 4: Simplify right side
    47,513.28x = 1,861,309,380.29
  5. Step 5: Solve for x
    x = 1,861,309,380.29/47,513.28
  6. Step 6: Final answer
    x = 39,174.51

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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.