Home / 26,428.41-39,646.69-8,896.86

Finding the Fourth Proportional to 26,428.41, 39,646.69 and 8,896.86

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Solution

The fourth proportional to 26,428.41, 39,646.69 and 8,896.86 is: 13,346.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,428.41 : 39,646.69 = 8,896.86 : x
  2. Step 2: Convert to fraction form
    26,428.41/39,646.69 = 8,896.86/x
  3. Step 3: Cross multiply
    26,428.41x = 39,646.69 × 8,896.86
  4. Step 4: Simplify right side
    26,428.41x = 352,731,028.15
  5. Step 5: Solve for x
    x = 352,731,028.15/26,428.41
  6. Step 6: Final answer
    x = 13,346.66

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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.