Home / 23,143.36-34,785.44-15,399.36

Finding the Fourth Proportional to 23,143.36, 34,785.44 and 15,399.36

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Solution

The fourth proportional to 23,143.36, 34,785.44 and 15,399.36 is: 23,145.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,143.36 : 34,785.44 = 15,399.36 : x
  2. Step 2: Convert to fraction form
    23,143.36/34,785.44 = 15,399.36/x
  3. Step 3: Cross multiply
    23,143.36x = 34,785.44 × 15,399.36
  4. Step 4: Simplify right side
    23,143.36x = 535,673,513.32
  5. Step 5: Solve for x
    x = 535,673,513.32/23,143.36
  6. Step 6: Final answer
    x = 23,145.88

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1.5x scale

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.