Home / 26,420.52-39,636.88-8,889.92

Finding the Fourth Proportional to 26,420.52, 39,636.88 and 8,889.92

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Solution

The fourth proportional to 26,420.52, 39,636.88 and 8,889.92 is: 13,336.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,420.52 : 39,636.88 = 8,889.92 : x
  2. Step 2: Convert to fraction form
    26,420.52/39,636.88 = 8,889.92/x
  3. Step 3: Cross multiply
    26,420.52x = 39,636.88 × 8,889.92
  4. Step 4: Simplify right side
    26,420.52x = 352,368,692.25
  5. Step 5: Solve for x
    x = 352,368,692.25/26,420.52
  6. Step 6: Final answer
    x = 13,336.93

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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.