Home / 34,763.28-52,147.36-13,986.88

Finding the Fourth Proportional to 34,763.28, 52,147.36 and 13,986.88

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Solution

The fourth proportional to 34,763.28, 52,147.36 and 13,986.88 is: 20,981.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,763.28 : 52,147.36 = 13,986.88 : x
  2. Step 2: Convert to fraction form
    34,763.28/52,147.36 = 13,986.88/x
  3. Step 3: Cross multiply
    34,763.28x = 52,147.36 × 13,986.88
  4. Step 4: Simplify right side
    34,763.28x = 729,378,866.64
  5. Step 5: Solve for x
    x = 729,378,866.64/34,763.28
  6. Step 6: Final answer
    x = 20,981.30

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1.5x scale

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.