Home / 28,784.46-43,079.16-17,698.20

Finding the Fourth Proportional to 28,784.46, 43,079.16 and 17,698.20

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Solution

The fourth proportional to 28,784.46, 43,079.16 and 17,698.20 is: 26,487.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,784.46 : 43,079.16 = 17,698.20 : x
  2. Step 2: Convert to fraction form
    28,784.46/43,079.16 = 17,698.20/x
  3. Step 3: Cross multiply
    28,784.46x = 43,079.16 × 17,698.20
  4. Step 4: Simplify right side
    28,784.46x = 762,423,589.51
  5. Step 5: Solve for x
    x = 762,423,589.51/28,784.46
  6. Step 6: Final answer
    x = 26,487.33

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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.