Home / 23,099.40-31,873.80-13,028.28

Finding the Fourth Proportional to 23,099.40, 31,873.80 and 13,028.28

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Solution

The fourth proportional to 23,099.40, 31,873.80 and 13,028.28 is: 17,977.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,099.40 : 31,873.80 = 13,028.28 : x
  2. Step 2: Convert to fraction form
    23,099.40/31,873.80 = 13,028.28/x
  3. Step 3: Cross multiply
    23,099.40x = 31,873.80 × 13,028.28
  4. Step 4: Simplify right side
    23,099.40x = 415,260,791.06
  5. Step 5: Solve for x
    x = 415,260,791.06/23,099.40
  6. Step 6: Final answer
    x = 17,977.12

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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.