Home / 25,765.65-38,650.01-7,997.99

Finding the Fourth Proportional to 25,765.65, 38,650.01 and 7,997.99

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Solution

The fourth proportional to 25,765.65, 38,650.01 and 7,997.99 is: 11,997.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,765.65 : 38,650.01 = 7,997.99 : x
  2. Step 2: Convert to fraction form
    25,765.65/38,650.01 = 7,997.99/x
  3. Step 3: Cross multiply
    25,765.65x = 38,650.01 × 7,997.99
  4. Step 4: Simplify right side
    25,765.65x = 309,122,160.24
  5. Step 5: Solve for x
    x = 309,122,160.24/25,765.65
  6. Step 6: Final answer
    x = 11,997.45

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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.