Home / 26,827.88-40,228.79-8,104.32

Finding the Fourth Proportional to 26,827.88, 40,228.79 and 8,104.32

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Solution

The fourth proportional to 26,827.88, 40,228.79 and 8,104.32 is: 12,152.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,827.88 : 40,228.79 = 8,104.32 : x
  2. Step 2: Convert to fraction form
    26,827.88/40,228.79 = 8,104.32/x
  3. Step 3: Cross multiply
    26,827.88x = 40,228.79 × 8,104.32
  4. Step 4: Simplify right side
    26,827.88x = 326,026,946.85
  5. Step 5: Solve for x
    x = 326,026,946.85/26,827.88
  6. Step 6: Final answer
    x = 12,152.54

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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.