Home / 28,805.42-39,739.11-17,470.59

Finding the Fourth Proportional to 28,805.42, 39,739.11 and 17,470.59

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Solution

The fourth proportional to 28,805.42, 39,739.11 and 17,470.59 is: 24,101.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,805.42 : 39,739.11 = 17,470.59 : x
  2. Step 2: Convert to fraction form
    28,805.42/39,739.11 = 17,470.59/x
  3. Step 3: Cross multiply
    28,805.42x = 39,739.11 × 17,470.59
  4. Step 4: Simplify right side
    28,805.42x = 694,265,483.24
  5. Step 5: Solve for x
    x = 694,265,483.24/28,805.42
  6. Step 6: Final answer
    x = 24,101.90

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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.