Home / 76,272.90-114,429.26-28,888.30

Finding the Fourth Proportional to 76,272.90, 114,429.26 and 28,888.30

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Solution

The fourth proportional to 76,272.90, 114,429.26 and 28,888.30 is: 43,339.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,272.90 : 114,429.26 = 28,888.30 : x
  2. Step 2: Convert to fraction form
    76,272.90/114,429.26 = 28,888.30/x
  3. Step 3: Cross multiply
    76,272.90x = 114,429.26 × 28,888.30
  4. Step 4: Simplify right side
    76,272.90x = 3,305,666,791.66
  5. Step 5: Solve for x
    x = 3,305,666,791.66/76,272.90
  6. Step 6: Final answer
    x = 43,339.99

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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.