Home / 26,667.80-40,026.28-13,529.36

Finding the Fourth Proportional to 26,667.80, 40,026.28 and 13,529.36

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Solution

The fourth proportional to 26,667.80, 40,026.28 and 13,529.36 is: 20,306.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,667.80 : 40,026.28 = 13,529.36 : x
  2. Step 2: Convert to fraction form
    26,667.80/40,026.28 = 13,529.36/x
  3. Step 3: Cross multiply
    26,667.80x = 40,026.28 × 13,529.36
  4. Step 4: Simplify right side
    26,667.80x = 541,529,951.58
  5. Step 5: Solve for x
    x = 541,529,951.58/26,667.80
  6. Step 6: Final answer
    x = 20,306.51

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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.