Home / 26,245.80-39,391.44-13,774.63

Finding the Fourth Proportional to 26,245.80, 39,391.44 and 13,774.63

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Solution

The fourth proportional to 26,245.80, 39,391.44 and 13,774.63 is: 20,673.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,245.80 : 39,391.44 = 13,774.63 : x
  2. Step 2: Convert to fraction form
    26,245.80/39,391.44 = 13,774.63/x
  3. Step 3: Cross multiply
    26,245.80x = 39,391.44 × 13,774.63
  4. Step 4: Simplify right side
    26,245.80x = 542,602,661.30
  5. Step 5: Solve for x
    x = 542,602,661.30/26,245.80
  6. Step 6: Final answer
    x = 20,673.89

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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.