Home / 25,215.64-37,812.51-8,571.20

Finding the Fourth Proportional to 25,215.64, 37,812.51 and 8,571.20

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Solution

The fourth proportional to 25,215.64, 37,812.51 and 8,571.20 is: 12,853.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,215.64 : 37,812.51 = 8,571.20 : x
  2. Step 2: Convert to fraction form
    25,215.64/37,812.51 = 8,571.20/x
  3. Step 3: Cross multiply
    25,215.64x = 37,812.51 × 8,571.20
  4. Step 4: Simplify right side
    25,215.64x = 324,098,396.65
  5. Step 5: Solve for x
    x = 324,098,396.65/25,215.64
  6. Step 6: Final answer
    x = 12,853.07

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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.