Home / 26,549.30-39,830.88-9,909.47

Finding the Fourth Proportional to 26,549.30, 39,830.88 and 9,909.47

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Solution

The fourth proportional to 26,549.30, 39,830.88 and 9,909.47 is: 14,866.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,549.30 : 39,830.88 = 9,909.47 : x
  2. Step 2: Convert to fraction form
    26,549.30/39,830.88 = 9,909.47/x
  3. Step 3: Cross multiply
    26,549.30x = 39,830.88 × 9,909.47
  4. Step 4: Simplify right side
    26,549.30x = 394,702,910.43
  5. Step 5: Solve for x
    x = 394,702,910.43/26,549.30
  6. Step 6: Final answer
    x = 14,866.79

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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.