Home / 21,947.88-32,914.70-7,152.92

Finding the Fourth Proportional to 21,947.88, 32,914.70 and 7,152.92

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Solution

The fourth proportional to 21,947.88, 32,914.70 and 7,152.92 is: 10,727.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,947.88 : 32,914.70 = 7,152.92 : x
  2. Step 2: Convert to fraction form
    21,947.88/32,914.70 = 7,152.92/x
  3. Step 3: Cross multiply
    21,947.88x = 32,914.70 × 7,152.92
  4. Step 4: Simplify right side
    21,947.88x = 235,436,215.92
  5. Step 5: Solve for x
    x = 235,436,215.92/21,947.88
  6. Step 6: Final answer
    x = 10,727.06

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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.