Home / 28,709.96-43,077.18-11,192.12

Finding the Fourth Proportional to 28,709.96, 43,077.18 and 11,192.12

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Solution

The fourth proportional to 28,709.96, 43,077.18 and 11,192.12 is: 16,792.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,709.96 : 43,077.18 = 11,192.12 : x
  2. Step 2: Convert to fraction form
    28,709.96/43,077.18 = 11,192.12/x
  3. Step 3: Cross multiply
    28,709.96x = 43,077.18 × 11,192.12
  4. Step 4: Simplify right side
    28,709.96x = 482,124,967.82
  5. Step 5: Solve for x
    x = 482,124,967.82/28,709.96
  6. Step 6: Final answer
    x = 16,792.95

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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.