Home / 26,258.83-39,405.76-13,620.24

Finding the Fourth Proportional to 26,258.83, 39,405.76 and 13,620.24

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Solution

The fourth proportional to 26,258.83, 39,405.76 and 13,620.24 is: 20,439.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,258.83 : 39,405.76 = 13,620.24 : x
  2. Step 2: Convert to fraction form
    26,258.83/39,405.76 = 13,620.24/x
  3. Step 3: Cross multiply
    26,258.83x = 39,405.76 × 13,620.24
  4. Step 4: Simplify right side
    26,258.83x = 536,715,908.58
  5. Step 5: Solve for x
    x = 536,715,908.58/26,258.83
  6. Step 6: Final answer
    x = 20,439.44

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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.