Home / 28,790.27-43,152.62-17,520.75

Finding the Fourth Proportional to 28,790.27, 43,152.62 and 17,520.75

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Solution

The fourth proportional to 28,790.27, 43,152.62 and 17,520.75 is: 26,261.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,790.27 : 43,152.62 = 17,520.75 : x
  2. Step 2: Convert to fraction form
    28,790.27/43,152.62 = 17,520.75/x
  3. Step 3: Cross multiply
    28,790.27x = 43,152.62 × 17,520.75
  4. Step 4: Simplify right side
    28,790.27x = 756,066,179.26
  5. Step 5: Solve for x
    x = 756,066,179.26/28,790.27
  6. Step 6: Final answer
    x = 26,261.17

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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.