Home / 16,722.48-25,085.32-5,629.28

Finding the Fourth Proportional to 16,722.48, 25,085.32 and 5,629.28

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Solution

The fourth proportional to 16,722.48, 25,085.32 and 5,629.28 is: 8,444.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,722.48 : 25,085.32 = 5,629.28 : x
  2. Step 2: Convert to fraction form
    16,722.48/25,085.32 = 5,629.28/x
  3. Step 3: Cross multiply
    16,722.48x = 25,085.32 × 5,629.28
  4. Step 4: Simplify right side
    16,722.48x = 141,212,290.17
  5. Step 5: Solve for x
    x = 141,212,290.17/16,722.48
  6. Step 6: Final answer
    x = 8,444.46

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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.