Home / 28,669.86-43,017.48-11,141.01

Finding the Fourth Proportional to 28,669.86, 43,017.48 and 11,141.01

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Solution

The fourth proportional to 28,669.86, 43,017.48 and 11,141.01 is: 16,716.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,669.86 : 43,017.48 = 11,141.01 : x
  2. Step 2: Convert to fraction form
    28,669.86/43,017.48 = 11,141.01/x
  3. Step 3: Cross multiply
    28,669.86x = 43,017.48 × 11,141.01
  4. Step 4: Simplify right side
    28,669.86x = 479,258,174.85
  5. Step 5: Solve for x
    x = 479,258,174.85/28,669.86
  6. Step 6: Final answer
    x = 16,716.45

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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.