Home / 26,834.60-40,218.30-13,692.20

Finding the Fourth Proportional to 26,834.60, 40,218.30 and 13,692.20

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Solution

The fourth proportional to 26,834.60, 40,218.30 and 13,692.20 is: 20,521.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,834.60 : 40,218.30 = 13,692.20 : x
  2. Step 2: Convert to fraction form
    26,834.60/40,218.30 = 13,692.20/x
  3. Step 3: Cross multiply
    26,834.60x = 40,218.30 × 13,692.20
  4. Step 4: Simplify right side
    26,834.60x = 550,677,007.26
  5. Step 5: Solve for x
    x = 550,677,007.26/26,834.60
  6. Step 6: Final answer
    x = 20,521.16

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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.