Home / 34,764.04-52,145.52-13,987

Finding the Fourth Proportional to 34,764.04, 52,145.52 and 13,987

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Solution

The fourth proportional to 34,764.04, 52,145.52 and 13,987 is: 20,980.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,764.04 : 52,145.52 = 13,987 : x
  2. Step 2: Convert to fraction form
    34,764.04/52,145.52 = 13,987/x
  3. Step 3: Cross multiply
    34,764.04x = 52,145.52 × 13,987
  4. Step 4: Simplify right side
    34,764.04x = 729,359,388.24
  5. Step 5: Solve for x
    x = 729,359,388.24/34,764.04
  6. Step 6: Final answer
    x = 20,980.28

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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.