Home / 19,135.68-28,703.52-17,736

Finding the Fourth Proportional to 19,135.68, 28,703.52 and 17,736

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Solution

The fourth proportional to 19,135.68, 28,703.52 and 17,736 is: 26,604

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,135.68 : 28,703.52 = 17,736 : x
  2. Step 2: Convert to fraction form
    19,135.68/28,703.52 = 17,736/x
  3. Step 3: Cross multiply
    19,135.68x = 28,703.52 × 17,736
  4. Step 4: Simplify right side
    19,135.68x = 509,085,630.72
  5. Step 5: Solve for x
    x = 509,085,630.72/19,135.68
  6. Step 6: Final answer
    x = 26,604

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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.