Home / 20,225.52-30,256.97-17,481.65

Finding the Fourth Proportional to 20,225.52, 30,256.97 and 17,481.65

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Solution

The fourth proportional to 20,225.52, 30,256.97 and 17,481.65 is: 26,152.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,225.52 : 30,256.97 = 17,481.65 : x
  2. Step 2: Convert to fraction form
    20,225.52/30,256.97 = 17,481.65/x
  3. Step 3: Cross multiply
    20,225.52x = 30,256.97 × 17,481.65
  4. Step 4: Simplify right side
    20,225.52x = 528,941,520.91
  5. Step 5: Solve for x
    x = 528,941,520.91/20,225.52
  6. Step 6: Final answer
    x = 26,152.18

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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.