Home / 20,635.74-30,901.23-17,295.21

Finding the Fourth Proportional to 20,635.74, 30,901.23 and 17,295.21

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Solution

The fourth proportional to 20,635.74, 30,901.23 and 17,295.21 is: 25,898.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,635.74 : 30,901.23 = 17,295.21 : x
  2. Step 2: Convert to fraction form
    20,635.74/30,901.23 = 17,295.21/x
  3. Step 3: Cross multiply
    20,635.74x = 30,901.23 × 17,295.21
  4. Step 4: Simplify right side
    20,635.74x = 534,443,262.11
  5. Step 5: Solve for x
    x = 534,443,262.11/20,635.74
  6. Step 6: Final answer
    x = 25,898.91

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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.