Home / 26,929.59-40,400.37-8,211.08

Finding the Fourth Proportional to 26,929.59, 40,400.37 and 8,211.08

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Solution

The fourth proportional to 26,929.59, 40,400.37 and 8,211.08 is: 12,318.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,929.59 : 40,400.37 = 8,211.08 : x
  2. Step 2: Convert to fraction form
    26,929.59/40,400.37 = 8,211.08/x
  3. Step 3: Cross multiply
    26,929.59x = 40,400.37 × 8,211.08
  4. Step 4: Simplify right side
    26,929.59x = 331,730,670.10
  5. Step 5: Solve for x
    x = 331,730,670.10/26,929.59
  6. Step 6: Final answer
    x = 12,318.44

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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.