Home / 25,326.36-38,028.56-21,428.82

Finding the Fourth Proportional to 25,326.36, 38,028.56 and 21,428.82

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Solution

The fourth proportional to 25,326.36, 38,028.56 and 21,428.82 is: 32,176.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,326.36 : 38,028.56 = 21,428.82 : x
  2. Step 2: Convert to fraction form
    25,326.36/38,028.56 = 21,428.82/x
  3. Step 3: Cross multiply
    25,326.36x = 38,028.56 × 21,428.82
  4. Step 4: Simplify right side
    25,326.36x = 814,907,059.96
  5. Step 5: Solve for x
    x = 814,907,059.96/25,326.36
  6. Step 6: Final answer
    x = 32,176.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.