Home / 20,446.29-30,630.33-17,135.72

Finding the Fourth Proportional to 20,446.29, 30,630.33 and 17,135.72

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Solution

The fourth proportional to 20,446.29, 30,630.33 and 17,135.72 is: 25,670.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,446.29 : 30,630.33 = 17,135.72 : x
  2. Step 2: Convert to fraction form
    20,446.29/30,630.33 = 17,135.72/x
  3. Step 3: Cross multiply
    20,446.29x = 30,630.33 × 17,135.72
  4. Step 4: Simplify right side
    20,446.29x = 524,872,605.24
  5. Step 5: Solve for x
    x = 524,872,605.24/20,446.29
  6. Step 6: Final answer
    x = 25,670.80

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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.