Home / 26,308.65-39,465.02-8,778.45

Finding the Fourth Proportional to 26,308.65, 39,465.02 and 8,778.45

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Solution

The fourth proportional to 26,308.65, 39,465.02 and 8,778.45 is: 13,168.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,308.65 : 39,465.02 = 8,778.45 : x
  2. Step 2: Convert to fraction form
    26,308.65/39,465.02 = 8,778.45/x
  3. Step 3: Cross multiply
    26,308.65x = 39,465.02 × 8,778.45
  4. Step 4: Simplify right side
    26,308.65x = 346,441,704.82
  5. Step 5: Solve for x
    x = 346,441,704.82/26,308.65
  6. Step 6: Final answer
    x = 13,168.36

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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.