Home / 28,876.32-43,316.04-9,153.44

Finding the Fourth Proportional to 28,876.32, 43,316.04 and 9,153.44

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Solution

The fourth proportional to 28,876.32, 43,316.04 and 9,153.44 is: 13,730.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,876.32 : 43,316.04 = 9,153.44 : x
  2. Step 2: Convert to fraction form
    28,876.32/43,316.04 = 9,153.44/x
  3. Step 3: Cross multiply
    28,876.32x = 43,316.04 × 9,153.44
  4. Step 4: Simplify right side
    28,876.32x = 396,490,773.18
  5. Step 5: Solve for x
    x = 396,490,773.18/28,876.32
  6. Step 6: Final answer
    x = 13,730.65

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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.