Home / 19,261.39-28,892.08-5,221.41

Finding the Fourth Proportional to 19,261.39, 28,892.08 and 5,221.41

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Solution

The fourth proportional to 19,261.39, 28,892.08 and 5,221.41 is: 7,832.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,261.39 : 28,892.08 = 5,221.41 : x
  2. Step 2: Convert to fraction form
    19,261.39/28,892.08 = 5,221.41/x
  3. Step 3: Cross multiply
    19,261.39x = 28,892.08 × 5,221.41
  4. Step 4: Simplify right side
    19,261.39x = 150,857,510.30
  5. Step 5: Solve for x
    x = 150,857,510.30/19,261.39
  6. Step 6: Final answer
    x = 7,832.12

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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.