Home / 26,464.38-39,690.81-13,302.78

Finding the Fourth Proportional to 26,464.38, 39,690.81 and 13,302.78

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Solution

The fourth proportional to 26,464.38, 39,690.81 and 13,302.78 is: 19,951.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,464.38 : 39,690.81 = 13,302.78 : x
  2. Step 2: Convert to fraction form
    26,464.38/39,690.81 = 13,302.78/x
  3. Step 3: Cross multiply
    26,464.38x = 39,690.81 × 13,302.78
  4. Step 4: Simplify right side
    26,464.38x = 527,998,113.45
  5. Step 5: Solve for x
    x = 527,998,113.45/26,464.38
  6. Step 6: Final answer
    x = 19,951.27

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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.