Home / 21,025.62-31,537.50-5,230.32

Finding the Fourth Proportional to 21,025.62, 31,537.50 and 5,230.32

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Solution

The fourth proportional to 21,025.62, 31,537.50 and 5,230.32 is: 7,845.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,025.62 : 31,537.50 = 5,230.32 : x
  2. Step 2: Convert to fraction form
    21,025.62/31,537.50 = 5,230.32/x
  3. Step 3: Cross multiply
    21,025.62x = 31,537.50 × 5,230.32
  4. Step 4: Simplify right side
    21,025.62x = 164,951,217
  5. Step 5: Solve for x
    x = 164,951,217/21,025.62
  6. Step 6: Final answer
    x = 7,845.25

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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.