Home / 27,099.70-40,690.86-25,763.20

Finding the Fourth Proportional to 27,099.70, 40,690.86 and 25,763.20

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Solution

The fourth proportional to 27,099.70, 40,690.86 and 25,763.20 is: 38,684.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,099.70 : 40,690.86 = 25,763.20 : x
  2. Step 2: Convert to fraction form
    27,099.70/40,690.86 = 25,763.20/x
  3. Step 3: Cross multiply
    27,099.70x = 40,690.86 × 25,763.20
  4. Step 4: Simplify right side
    27,099.70x = 1,048,326,566.01
  5. Step 5: Solve for x
    x = 1,048,326,566.01/27,099.70
  6. Step 6: Final answer
    x = 38,684.07

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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.