Home / 15,529.92-23,292-5,140.32

Finding the Fourth Proportional to 15,529.92, 23,292 and 5,140.32

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Solution

The fourth proportional to 15,529.92, 23,292 and 5,140.32 is: 7,709.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,529.92 : 23,292 = 5,140.32 : x
  2. Step 2: Convert to fraction form
    15,529.92/23,292 = 5,140.32/x
  3. Step 3: Cross multiply
    15,529.92x = 23,292 × 5,140.32
  4. Step 4: Simplify right side
    15,529.92x = 119,728,333.44
  5. Step 5: Solve for x
    x = 119,728,333.44/15,529.92
  6. Step 6: Final answer
    x = 7,709.53

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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.