Home / 26,238.48-39,344.74-8,702.36

Finding the Fourth Proportional to 26,238.48, 39,344.74 and 8,702.36

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Solution

The fourth proportional to 26,238.48, 39,344.74 and 8,702.36 is: 13,049.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,238.48 : 39,344.74 = 8,702.36 : x
  2. Step 2: Convert to fraction form
    26,238.48/39,344.74 = 8,702.36/x
  3. Step 3: Cross multiply
    26,238.48x = 39,344.74 × 8,702.36
  4. Step 4: Simplify right side
    26,238.48x = 342,392,091.59
  5. Step 5: Solve for x
    x = 342,392,091.59/26,238.48
  6. Step 6: Final answer
    x = 13,049.24

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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.