Home / 23,015.16-31,728.78-19,464.12

Finding the Fourth Proportional to 23,015.16, 31,728.78 and 19,464.12

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Solution

The fourth proportional to 23,015.16, 31,728.78 and 19,464.12 is: 26,833.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,015.16 : 31,728.78 = 19,464.12 : x
  2. Step 2: Convert to fraction form
    23,015.16/31,728.78 = 19,464.12/x
  3. Step 3: Cross multiply
    23,015.16x = 31,728.78 × 19,464.12
  4. Step 4: Simplify right side
    23,015.16x = 617,572,781.37
  5. Step 5: Solve for x
    x = 617,572,781.37/23,015.16
  6. Step 6: Final answer
    x = 26,833.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.