Home / 26,818.40-40,231.20-9,293.60

Finding the Fourth Proportional to 26,818.40, 40,231.20 and 9,293.60

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Solution

The fourth proportional to 26,818.40, 40,231.20 and 9,293.60 is: 13,941.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,818.40 : 40,231.20 = 9,293.60 : x
  2. Step 2: Convert to fraction form
    26,818.40/40,231.20 = 9,293.60/x
  3. Step 3: Cross multiply
    26,818.40x = 40,231.20 × 9,293.60
  4. Step 4: Simplify right side
    26,818.40x = 373,892,680.32
  5. Step 5: Solve for x
    x = 373,892,680.32/26,818.40
  6. Step 6: Final answer
    x = 13,941.65

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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.