Home / 19,270.85-28,892.30-13,015.22

Finding the Fourth Proportional to 19,270.85, 28,892.30 and 13,015.22

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Solution

The fourth proportional to 19,270.85, 28,892.30 and 13,015.22 is: 19,513.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,270.85 : 28,892.30 = 13,015.22 : x
  2. Step 2: Convert to fraction form
    19,270.85/28,892.30 = 13,015.22/x
  3. Step 3: Cross multiply
    19,270.85x = 28,892.30 × 13,015.22
  4. Step 4: Simplify right side
    19,270.85x = 376,039,431.27
  5. Step 5: Solve for x
    x = 376,039,431.27/19,270.85
  6. Step 6: Final answer
    x = 19,513.39

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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.