Home / 25,856.28-35,670.42-16,290.36

Finding the Fourth Proportional to 25,856.28, 35,670.42 and 16,290.36

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Solution

The fourth proportional to 25,856.28, 35,670.42 and 16,290.36 is: 22,473.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,856.28 : 35,670.42 = 16,290.36 : x
  2. Step 2: Convert to fraction form
    25,856.28/35,670.42 = 16,290.36/x
  3. Step 3: Cross multiply
    25,856.28x = 35,670.42 × 16,290.36
  4. Step 4: Simplify right side
    25,856.28x = 581,083,983.15
  5. Step 5: Solve for x
    x = 581,083,983.15/25,856.28
  6. Step 6: Final answer
    x = 22,473.61

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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.