Home / 16,720.48-25,082.32-5,627.28

Finding the Fourth Proportional to 16,720.48, 25,082.32 and 5,627.28

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Solution

The fourth proportional to 16,720.48, 25,082.32 and 5,627.28 is: 8,441.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,720.48 : 25,082.32 = 5,627.28 : x
  2. Step 2: Convert to fraction form
    16,720.48/25,082.32 = 5,627.28/x
  3. Step 3: Cross multiply
    16,720.48x = 25,082.32 × 5,627.28
  4. Step 4: Simplify right side
    16,720.48x = 141,145,237.69
  5. Step 5: Solve for x
    x = 141,145,237.69/16,720.48
  6. Step 6: Final answer
    x = 8,441.46

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.