Home / 26,156.10-39,228.66-8,621.82

Finding the Fourth Proportional to 26,156.10, 39,228.66 and 8,621.82

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Solution

The fourth proportional to 26,156.10, 39,228.66 and 8,621.82 is: 12,930.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,156.10 : 39,228.66 = 8,621.82 : x
  2. Step 2: Convert to fraction form
    26,156.10/39,228.66 = 8,621.82/x
  3. Step 3: Cross multiply
    26,156.10x = 39,228.66 × 8,621.82
  4. Step 4: Simplify right side
    26,156.10x = 338,222,445.36
  5. Step 5: Solve for x
    x = 338,222,445.36/26,156.10
  6. Step 6: Final answer
    x = 12,930.92

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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.