Home / 25,710.12-38,502.92-17,790.44

Finding the Fourth Proportional to 25,710.12, 38,502.92 and 17,790.44

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Solution

The fourth proportional to 25,710.12, 38,502.92 and 17,790.44 is: 26,642.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,710.12 : 38,502.92 = 17,790.44 : x
  2. Step 2: Convert to fraction form
    25,710.12/38,502.92 = 17,790.44/x
  3. Step 3: Cross multiply
    25,710.12x = 38,502.92 × 17,790.44
  4. Step 4: Simplify right side
    25,710.12x = 684,983,740.05
  5. Step 5: Solve for x
    x = 684,983,740.05/25,710.12
  6. Step 6: Final answer
    x = 26,642.57

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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.