Home / 20,827.22-31,234.95-7,498.26

Finding the Fourth Proportional to 20,827.22, 31,234.95 and 7,498.26

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Solution

The fourth proportional to 20,827.22, 31,234.95 and 7,498.26 is: 11,245.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,827.22 : 31,234.95 = 7,498.26 : x
  2. Step 2: Convert to fraction form
    20,827.22/31,234.95 = 7,498.26/x
  3. Step 3: Cross multiply
    20,827.22x = 31,234.95 × 7,498.26
  4. Step 4: Simplify right side
    20,827.22x = 234,207,776.19
  5. Step 5: Solve for x
    x = 234,207,776.19/20,827.22
  6. Step 6: Final answer
    x = 11,245.28

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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.