Home / 28,818.22-43,143.26-17,691.18

Finding the Fourth Proportional to 28,818.22, 43,143.26 and 17,691.18

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Solution

The fourth proportional to 28,818.22, 43,143.26 and 17,691.18 is: 26,485.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,818.22 : 43,143.26 = 17,691.18 : x
  2. Step 2: Convert to fraction form
    28,818.22/43,143.26 = 17,691.18/x
  3. Step 3: Cross multiply
    28,818.22x = 43,143.26 × 17,691.18
  4. Step 4: Simplify right side
    28,818.22x = 763,255,178.45
  5. Step 5: Solve for x
    x = 763,255,178.45/28,818.22
  6. Step 6: Final answer
    x = 26,485.16

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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.