Home / 26,017.80-39,036.30-8,488.20

Finding the Fourth Proportional to 26,017.80, 39,036.30 and 8,488.20

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Solution

The fourth proportional to 26,017.80, 39,036.30 and 8,488.20 is: 12,735.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,017.80 : 39,036.30 = 8,488.20 : x
  2. Step 2: Convert to fraction form
    26,017.80/39,036.30 = 8,488.20/x
  3. Step 3: Cross multiply
    26,017.80x = 39,036.30 × 8,488.20
  4. Step 4: Simplify right side
    26,017.80x = 331,347,921.66
  5. Step 5: Solve for x
    x = 331,347,921.66/26,017.80
  6. Step 6: Final answer
    x = 12,735.43

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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.