Home / 21,226.31-31,827.27-8,754.92

Finding the Fourth Proportional to 21,226.31, 31,827.27 and 8,754.92

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Solution

The fourth proportional to 21,226.31, 31,827.27 and 8,754.92 is: 13,127.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,226.31 : 31,827.27 = 8,754.92 : x
  2. Step 2: Convert to fraction form
    21,226.31/31,827.27 = 8,754.92/x
  3. Step 3: Cross multiply
    21,226.31x = 31,827.27 × 8,754.92
  4. Step 4: Simplify right side
    21,226.31x = 278,645,202.67
  5. Step 5: Solve for x
    x = 278,645,202.67/21,226.31
  6. Step 6: Final answer
    x = 13,127.35

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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.