Home / 26,385.21-39,587.49-13,904.73

Finding the Fourth Proportional to 26,385.21, 39,587.49 and 13,904.73

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Solution

The fourth proportional to 26,385.21, 39,587.49 and 13,904.73 is: 20,862.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,385.21 : 39,587.49 = 13,904.73 : x
  2. Step 2: Convert to fraction form
    26,385.21/39,587.49 = 13,904.73/x
  3. Step 3: Cross multiply
    26,385.21x = 39,587.49 × 13,904.73
  4. Step 4: Simplify right side
    26,385.21x = 550,453,359.83
  5. Step 5: Solve for x
    x = 550,453,359.83/26,385.21
  6. Step 6: Final answer
    x = 20,862.19

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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.