Home / 28,711.80-43,066.08-11,846.52

Finding the Fourth Proportional to 28,711.80, 43,066.08 and 11,846.52

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Solution

The fourth proportional to 28,711.80, 43,066.08 and 11,846.52 is: 17,769.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,711.80 : 43,066.08 = 11,846.52 : x
  2. Step 2: Convert to fraction form
    28,711.80/43,066.08 = 11,846.52/x
  3. Step 3: Cross multiply
    28,711.80x = 43,066.08 × 11,846.52
  4. Step 4: Simplify right side
    28,711.80x = 510,183,178.04
  5. Step 5: Solve for x
    x = 510,183,178.04/28,711.80
  6. Step 6: Final answer
    x = 17,769.11

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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.