Home / 26,406.54-39,609.90-10,618.74

Finding the Fourth Proportional to 26,406.54, 39,609.90 and 10,618.74

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Solution

The fourth proportional to 26,406.54, 39,609.90 and 10,618.74 is: 15,928.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,406.54 : 39,609.90 = 10,618.74 : x
  2. Step 2: Convert to fraction form
    26,406.54/39,609.90 = 10,618.74/x
  3. Step 3: Cross multiply
    26,406.54x = 39,609.90 × 10,618.74
  4. Step 4: Simplify right side
    26,406.54x = 420,607,229.53
  5. Step 5: Solve for x
    x = 420,607,229.53/26,406.54
  6. Step 6: Final answer
    x = 15,928.15

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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.