Home / 28,767.87-43,089.50-13,945.79

Finding the Fourth Proportional to 28,767.87, 43,089.50 and 13,945.79

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Solution

The fourth proportional to 28,767.87, 43,089.50 and 13,945.79 is: 20,888.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,767.87 : 43,089.50 = 13,945.79 : x
  2. Step 2: Convert to fraction form
    28,767.87/43,089.50 = 13,945.79/x
  3. Step 3: Cross multiply
    28,767.87x = 43,089.50 × 13,945.79
  4. Step 4: Simplify right side
    28,767.87x = 600,916,833.03
  5. Step 5: Solve for x
    x = 600,916,833.03/28,767.87
  6. Step 6: Final answer
    x = 20,888.47

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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.