Home / 26,349.30-39,519.81-8,580.60

Finding the Fourth Proportional to 26,349.30, 39,519.81 and 8,580.60

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Solution

The fourth proportional to 26,349.30, 39,519.81 and 8,580.60 is: 12,869.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,349.30 : 39,519.81 = 8,580.60 : x
  2. Step 2: Convert to fraction form
    26,349.30/39,519.81 = 8,580.60/x
  3. Step 3: Cross multiply
    26,349.30x = 39,519.81 × 8,580.60
  4. Step 4: Simplify right side
    26,349.30x = 339,103,681.69
  5. Step 5: Solve for x
    x = 339,103,681.69/26,349.30
  6. Step 6: Final answer
    x = 12,869.55

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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.