Home / 15,617.75-23,429.06-5,085.28

Finding the Fourth Proportional to 15,617.75, 23,429.06 and 5,085.28

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Solution

The fourth proportional to 15,617.75, 23,429.06 and 5,085.28 is: 7,628.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,617.75 : 23,429.06 = 5,085.28 : x
  2. Step 2: Convert to fraction form
    15,617.75/23,429.06 = 5,085.28/x
  3. Step 3: Cross multiply
    15,617.75x = 23,429.06 × 5,085.28
  4. Step 4: Simplify right side
    15,617.75x = 119,143,388.81
  5. Step 5: Solve for x
    x = 119,143,388.81/15,617.75
  6. Step 6: Final answer
    x = 7,628.72

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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.