Home / 28,669.89-43,007.55-11,141.07

Finding the Fourth Proportional to 28,669.89, 43,007.55 and 11,141.07

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Solution

The fourth proportional to 28,669.89, 43,007.55 and 11,141.07 is: 16,712.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,669.89 : 43,007.55 = 11,141.07 : x
  2. Step 2: Convert to fraction form
    28,669.89/43,007.55 = 11,141.07/x
  3. Step 3: Cross multiply
    28,669.89x = 43,007.55 × 11,141.07
  4. Step 4: Simplify right side
    28,669.89x = 479,150,125.08
  5. Step 5: Solve for x
    x = 479,150,125.08/28,669.89
  6. Step 6: Final answer
    x = 16,712.66

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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.