Home / 28,809.87-43,207.51-9,086.77

Finding the Fourth Proportional to 28,809.87, 43,207.51 and 9,086.77

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Solution

The fourth proportional to 28,809.87, 43,207.51 and 9,086.77 is: 13,627.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,809.87 : 43,207.51 = 9,086.77 : x
  2. Step 2: Convert to fraction form
    28,809.87/43,207.51 = 9,086.77/x
  3. Step 3: Cross multiply
    28,809.87x = 43,207.51 × 9,086.77
  4. Step 4: Simplify right side
    28,809.87x = 392,616,705.64
  5. Step 5: Solve for x
    x = 392,616,705.64/28,809.87
  6. Step 6: Final answer
    x = 13,627.85

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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.