Home / 23,028.64-31,780.24-13,093.28

Finding the Fourth Proportional to 23,028.64, 31,780.24 and 13,093.28

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Solution

The fourth proportional to 23,028.64, 31,780.24 and 13,093.28 is: 18,069.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,028.64 : 31,780.24 = 13,093.28 : x
  2. Step 2: Convert to fraction form
    23,028.64/31,780.24 = 13,093.28/x
  3. Step 3: Cross multiply
    23,028.64x = 31,780.24 × 13,093.28
  4. Step 4: Simplify right side
    23,028.64x = 416,107,580.79
  5. Step 5: Solve for x
    x = 416,107,580.79/23,028.64
  6. Step 6: Final answer
    x = 18,069.13

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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.