Home / 26,078.30-39,114.91-7,358.05

Finding the Fourth Proportional to 26,078.30, 39,114.91 and 7,358.05

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Solution

The fourth proportional to 26,078.30, 39,114.91 and 7,358.05 is: 11,036.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,078.30 : 39,114.91 = 7,358.05 : x
  2. Step 2: Convert to fraction form
    26,078.30/39,114.91 = 7,358.05/x
  3. Step 3: Cross multiply
    26,078.30x = 39,114.91 × 7,358.05
  4. Step 4: Simplify right side
    26,078.30x = 287,809,463.53
  5. Step 5: Solve for x
    x = 287,809,463.53/26,078.30
  6. Step 6: Final answer
    x = 11,036.36

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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.