Home / 28,066.97-42,120.41-15,597.02

Finding the Fourth Proportional to 28,066.97, 42,120.41 and 15,597.02

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Solution

The fourth proportional to 28,066.97, 42,120.41 and 15,597.02 is: 23,406.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,066.97 : 42,120.41 = 15,597.02 : x
  2. Step 2: Convert to fraction form
    28,066.97/42,120.41 = 15,597.02/x
  3. Step 3: Cross multiply
    28,066.97x = 42,120.41 × 15,597.02
  4. Step 4: Simplify right side
    28,066.97x = 656,952,904.49
  5. Step 5: Solve for x
    x = 656,952,904.49/28,066.97
  6. Step 6: Final answer
    x = 23,406.62

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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.