Home / 26,308.41-39,464.64-8,778.21

Finding the Fourth Proportional to 26,308.41, 39,464.64 and 8,778.21

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Solution

The fourth proportional to 26,308.41, 39,464.64 and 8,778.21 is: 13,167.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,308.41 : 39,464.64 = 8,778.21 : x
  2. Step 2: Convert to fraction form
    26,308.41/39,464.64 = 8,778.21/x
  3. Step 3: Cross multiply
    26,308.41x = 39,464.64 × 8,778.21
  4. Step 4: Simplify right side
    26,308.41x = 346,428,897.49
  5. Step 5: Solve for x
    x = 346,428,897.49/26,308.41
  6. Step 6: Final answer
    x = 13,167.99

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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.