Home / 26,187.20-36,139.03-14,251.28

Finding the Fourth Proportional to 26,187.20, 36,139.03 and 14,251.28

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Solution

The fourth proportional to 26,187.20, 36,139.03 and 14,251.28 is: 19,667.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,187.20 : 36,139.03 = 14,251.28 : x
  2. Step 2: Convert to fraction form
    26,187.20/36,139.03 = 14,251.28/x
  3. Step 3: Cross multiply
    26,187.20x = 36,139.03 × 14,251.28
  4. Step 4: Simplify right side
    26,187.20x = 515,027,219.14
  5. Step 5: Solve for x
    x = 515,027,219.14/26,187.20
  6. Step 6: Final answer
    x = 19,667.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.