Home / 20,600.30-28,403.34-17,407.82

Finding the Fourth Proportional to 20,600.30, 28,403.34 and 17,407.82

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Solution

The fourth proportional to 20,600.30, 28,403.34 and 17,407.82 is: 24,001.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,600.30 : 28,403.34 = 17,407.82 : x
  2. Step 2: Convert to fraction form
    20,600.30/28,403.34 = 17,407.82/x
  3. Step 3: Cross multiply
    20,600.30x = 28,403.34 × 17,407.82
  4. Step 4: Simplify right side
    20,600.30x = 494,440,230.12
  5. Step 5: Solve for x
    x = 494,440,230.12/20,600.30
  6. Step 6: Final answer
    x = 24,001.60

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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.