Home / 21,604.80-29,828.39-17,635.35

Finding the Fourth Proportional to 21,604.80, 29,828.39 and 17,635.35

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Solution

The fourth proportional to 21,604.80, 29,828.39 and 17,635.35 is: 24,348.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,604.80 : 29,828.39 = 17,635.35 : x
  2. Step 2: Convert to fraction form
    21,604.80/29,828.39 = 17,635.35/x
  3. Step 3: Cross multiply
    21,604.80x = 29,828.39 × 17,635.35
  4. Step 4: Simplify right side
    21,604.80x = 526,034,009.41
  5. Step 5: Solve for x
    x = 526,034,009.41/21,604.80
  6. Step 6: Final answer
    x = 24,348.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.