Home / 26,181.72-39,269.84-13,696.71

Finding the Fourth Proportional to 26,181.72, 39,269.84 and 13,696.71

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Solution

The fourth proportional to 26,181.72, 39,269.84 and 13,696.71 is: 20,543.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,181.72 : 39,269.84 = 13,696.71 : x
  2. Step 2: Convert to fraction form
    26,181.72/39,269.84 = 13,696.71/x
  3. Step 3: Cross multiply
    26,181.72x = 39,269.84 × 13,696.71
  4. Step 4: Simplify right side
    26,181.72x = 537,867,541.74
  5. Step 5: Solve for x
    x = 537,867,541.74/26,181.72
  6. Step 6: Final answer
    x = 20,543.63

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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.