Home / 28,703.32-43,042.78-8,976.56

Finding the Fourth Proportional to 28,703.32, 43,042.78 and 8,976.56

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Solution

The fourth proportional to 28,703.32, 43,042.78 and 8,976.56 is: 13,461.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,703.32 : 43,042.78 = 8,976.56 : x
  2. Step 2: Convert to fraction form
    28,703.32/43,042.78 = 8,976.56/x
  3. Step 3: Cross multiply
    28,703.32x = 43,042.78 × 8,976.56
  4. Step 4: Simplify right side
    28,703.32x = 386,376,097.24
  5. Step 5: Solve for x
    x = 386,376,097.24/28,703.32
  6. Step 6: Final answer
    x = 13,461.02

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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.