Home / 21,025.65-31,537.55-5,230.34

Finding the Fourth Proportional to 21,025.65, 31,537.55 and 5,230.34

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Solution

The fourth proportional to 21,025.65, 31,537.55 and 5,230.34 is: 7,845.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,025.65 : 31,537.55 = 5,230.34 : x
  2. Step 2: Convert to fraction form
    21,025.65/31,537.55 = 5,230.34/x
  3. Step 3: Cross multiply
    21,025.65x = 31,537.55 × 5,230.34
  4. Step 4: Simplify right side
    21,025.65x = 164,951,925.43
  5. Step 5: Solve for x
    x = 164,951,925.43/21,025.65
  6. Step 6: Final answer
    x = 7,845.27

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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.