Home / 25,215.79-37,812.75-8,571.35

Finding the Fourth Proportional to 25,215.79, 37,812.75 and 8,571.35

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Solution

The fourth proportional to 25,215.79, 37,812.75 and 8,571.35 is: 12,853.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,215.79 : 37,812.75 = 8,571.35 : x
  2. Step 2: Convert to fraction form
    25,215.79/37,812.75 = 8,571.35/x
  3. Step 3: Cross multiply
    25,215.79x = 37,812.75 × 8,571.35
  4. Step 4: Simplify right side
    25,215.79x = 324,106,409.24
  5. Step 5: Solve for x
    x = 324,106,409.24/25,215.79
  6. Step 6: Final answer
    x = 12,853.31

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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.