Home / 19,310.34-28,986.17-17,102.89

Finding the Fourth Proportional to 19,310.34, 28,986.17 and 17,102.89

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Solution

The fourth proportional to 19,310.34, 28,986.17 and 17,102.89 is: 25,672.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,310.34 : 28,986.17 = 17,102.89 : x
  2. Step 2: Convert to fraction form
    19,310.34/28,986.17 = 17,102.89/x
  3. Step 3: Cross multiply
    19,310.34x = 28,986.17 × 17,102.89
  4. Step 4: Simplify right side
    19,310.34x = 495,747,119.05
  5. Step 5: Solve for x
    x = 495,747,119.05/19,310.34
  6. Step 6: Final answer
    x = 25,672.63

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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.