Home / 28,621.67-42,932.03-7,845.17

Finding the Fourth Proportional to 28,621.67, 42,932.03 and 7,845.17

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Solution

The fourth proportional to 28,621.67, 42,932.03 and 7,845.17 is: 11,767.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,621.67 : 42,932.03 = 7,845.17 : x
  2. Step 2: Convert to fraction form
    28,621.67/42,932.03 = 7,845.17/x
  3. Step 3: Cross multiply
    28,621.67x = 42,932.03 × 7,845.17
  4. Step 4: Simplify right side
    28,621.67x = 336,808,819.91
  5. Step 5: Solve for x
    x = 336,808,819.91/28,621.67
  6. Step 6: Final answer
    x = 11,767.62

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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.