Home / 21,935.80-32,903.70-17,270.20

Finding the Fourth Proportional to 21,935.80, 32,903.70 and 17,270.20

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Solution

The fourth proportional to 21,935.80, 32,903.70 and 17,270.20 is: 25,905.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,935.80 : 32,903.70 = 17,270.20 : x
  2. Step 2: Convert to fraction form
    21,935.80/32,903.70 = 17,270.20/x
  3. Step 3: Cross multiply
    21,935.80x = 32,903.70 × 17,270.20
  4. Step 4: Simplify right side
    21,935.80x = 568,253,479.74
  5. Step 5: Solve for x
    x = 568,253,479.74/21,935.80
  6. Step 6: Final answer
    x = 25,905.30

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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.