Home / 28,956.69-43,430.46-11,184.72

Finding the Fourth Proportional to 28,956.69, 43,430.46 and 11,184.72

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Solution

The fourth proportional to 28,956.69, 43,430.46 and 11,184.72 is: 16,775.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,956.69 : 43,430.46 = 11,184.72 : x
  2. Step 2: Convert to fraction form
    28,956.69/43,430.46 = 11,184.72/x
  3. Step 3: Cross multiply
    28,956.69x = 43,430.46 × 11,184.72
  4. Step 4: Simplify right side
    28,956.69x = 485,757,534.57
  5. Step 5: Solve for x
    x = 485,757,534.57/28,956.69
  6. Step 6: Final answer
    x = 16,775.31

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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.