Home / 26,513-39,736.68-13,358.20

Finding the Fourth Proportional to 26,513, 39,736.68 and 13,358.20

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Solution

The fourth proportional to 26,513, 39,736.68 and 13,358.20 is: 20,020.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,513 : 39,736.68 = 13,358.20 : x
  2. Step 2: Convert to fraction form
    26,513/39,736.68 = 13,358.20/x
  3. Step 3: Cross multiply
    26,513x = 39,736.68 × 13,358.20
  4. Step 4: Simplify right side
    26,513x = 530,810,518.78
  5. Step 5: Solve for x
    x = 530,810,518.78/26,513
  6. Step 6: Final answer
    x = 20,020.76

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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.