Home / 21,053.34-31,552.74-8,558.75

Finding the Fourth Proportional to 21,053.34, 31,552.74 and 8,558.75

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Solution

The fourth proportional to 21,053.34, 31,552.74 and 8,558.75 is: 12,827.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,053.34 : 31,552.74 = 8,558.75 : x
  2. Step 2: Convert to fraction form
    21,053.34/31,552.74 = 8,558.75/x
  3. Step 3: Cross multiply
    21,053.34x = 31,552.74 × 8,558.75
  4. Step 4: Simplify right side
    21,053.34x = 270,052,092.36
  5. Step 5: Solve for x
    x = 270,052,092.36/21,053.34
  6. Step 6: Final answer
    x = 12,827.04

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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.