Home / 25,586.28-38,376.38-8,945.03

Finding the Fourth Proportional to 25,586.28, 38,376.38 and 8,945.03

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Solution

The fourth proportional to 25,586.28, 38,376.38 and 8,945.03 is: 13,416.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,586.28 : 38,376.38 = 8,945.03 : x
  2. Step 2: Convert to fraction form
    25,586.28/38,376.38 = 8,945.03/x
  3. Step 3: Cross multiply
    25,586.28x = 38,376.38 × 8,945.03
  4. Step 4: Simplify right side
    25,586.28x = 343,277,988.69
  5. Step 5: Solve for x
    x = 343,277,988.69/25,586.28
  6. Step 6: Final answer
    x = 13,416.49

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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.