Home / 25,217.58-37,821.50-7,689.18

Finding the Fourth Proportional to 25,217.58, 37,821.50 and 7,689.18

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Solution

The fourth proportional to 25,217.58, 37,821.50 and 7,689.18 is: 11,532.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,217.58 : 37,821.50 = 7,689.18 : x
  2. Step 2: Convert to fraction form
    25,217.58/37,821.50 = 7,689.18/x
  3. Step 3: Cross multiply
    25,217.58x = 37,821.50 × 7,689.18
  4. Step 4: Simplify right side
    25,217.58x = 290,816,321.37
  5. Step 5: Solve for x
    x = 290,816,321.37/25,217.58
  6. Step 6: Final answer
    x = 11,532.29

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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.