Home / 23,128.73-31,923.64-15,082.45

Finding the Fourth Proportional to 23,128.73, 31,923.64 and 15,082.45

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Solution

The fourth proportional to 23,128.73, 31,923.64 and 15,082.45 is: 20,817.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,128.73 : 31,923.64 = 15,082.45 : x
  2. Step 2: Convert to fraction form
    23,128.73/31,923.64 = 15,082.45/x
  3. Step 3: Cross multiply
    23,128.73x = 31,923.64 × 15,082.45
  4. Step 4: Simplify right side
    23,128.73x = 481,486,558.32
  5. Step 5: Solve for x
    x = 481,486,558.32/23,128.73
  6. Step 6: Final answer
    x = 20,817.68

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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.