Home / 28,731.25-43,007.77-15,550.93

Finding the Fourth Proportional to 28,731.25, 43,007.77 and 15,550.93

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Solution

The fourth proportional to 28,731.25, 43,007.77 and 15,550.93 is: 23,278.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,731.25 : 43,007.77 = 15,550.93 : x
  2. Step 2: Convert to fraction form
    28,731.25/43,007.77 = 15,550.93/x
  3. Step 3: Cross multiply
    28,731.25x = 43,007.77 × 15,550.93
  4. Step 4: Simplify right side
    28,731.25x = 668,810,527.93
  5. Step 5: Solve for x
    x = 668,810,527.93/28,731.25
  6. Step 6: Final answer
    x = 23,278.16

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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.