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Finding the Fourth Proportional to 25,219.44, 37,829.15 and 7,689.26

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Solution

The fourth proportional to 25,219.44, 37,829.15 and 7,689.26 is: 11,533.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,219.44 : 37,829.15 = 7,689.26 : x
  2. Step 2: Convert to fraction form
    25,219.44/37,829.15 = 7,689.26/x
  3. Step 3: Cross multiply
    25,219.44x = 37,829.15 × 7,689.26
  4. Step 4: Simplify right side
    25,219.44x = 290,877,942.34
  5. Step 5: Solve for x
    x = 290,877,942.34/25,219.44
  6. Step 6: Final answer
    x = 11,533.88

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Similar ratio
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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.