Home / 28,346.82-39,116.84-15,597.42

Finding the Fourth Proportional to 28,346.82, 39,116.84 and 15,597.42

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Solution

The fourth proportional to 28,346.82, 39,116.84 and 15,597.42 is: 21,523.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,346.82 : 39,116.84 = 15,597.42 : x
  2. Step 2: Convert to fraction form
    28,346.82/39,116.84 = 15,597.42/x
  3. Step 3: Cross multiply
    28,346.82x = 39,116.84 × 15,597.42
  4. Step 4: Simplify right side
    28,346.82x = 610,121,782.55
  5. Step 5: Solve for x
    x = 610,121,782.55/28,346.82
  6. Step 6: Final answer
    x = 21,523.46

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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.