Home / 28,796.61-39,727.61-19,110.62

Finding the Fourth Proportional to 28,796.61, 39,727.61 and 19,110.62

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Solution

The fourth proportional to 28,796.61, 39,727.61 and 19,110.62 is: 26,364.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,796.61 : 39,727.61 = 19,110.62 : x
  2. Step 2: Convert to fraction form
    28,796.61/39,727.61 = 19,110.62/x
  3. Step 3: Cross multiply
    28,796.61x = 39,727.61 × 19,110.62
  4. Step 4: Simplify right side
    28,796.61x = 759,218,964.03
  5. Step 5: Solve for x
    x = 759,218,964.03/28,796.61
  6. Step 6: Final answer
    x = 26,364.87

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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.