Home / 23,157.08-31,923.28-15,185.48

Finding the Fourth Proportional to 23,157.08, 31,923.28 and 15,185.48

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Solution

The fourth proportional to 23,157.08, 31,923.28 and 15,185.48 is: 20,934.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,157.08 : 31,923.28 = 15,185.48 : x
  2. Step 2: Convert to fraction form
    23,157.08/31,923.28 = 15,185.48/x
  3. Step 3: Cross multiply
    23,157.08x = 31,923.28 × 15,185.48
  4. Step 4: Simplify right side
    23,157.08x = 484,770,329.97
  5. Step 5: Solve for x
    x = 484,770,329.97/23,157.08
  6. Step 6: Final answer
    x = 20,934.00

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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.