Home / 28,736.56-39,657.96-16,162.12

Finding the Fourth Proportional to 28,736.56, 39,657.96 and 16,162.12

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Solution

The fourth proportional to 28,736.56, 39,657.96 and 16,162.12 is: 22,304.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,736.56 : 39,657.96 = 16,162.12 : x
  2. Step 2: Convert to fraction form
    28,736.56/39,657.96 = 16,162.12/x
  3. Step 3: Cross multiply
    28,736.56x = 39,657.96 × 16,162.12
  4. Step 4: Simplify right side
    28,736.56x = 640,956,708.48
  5. Step 5: Solve for x
    x = 640,956,708.48/28,736.56
  6. Step 6: Final answer
    x = 22,304.57

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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.