Home / 26,215.96-36,178.32-14,279.39

Finding the Fourth Proportional to 26,215.96, 36,178.32 and 14,279.39

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Solution

The fourth proportional to 26,215.96, 36,178.32 and 14,279.39 is: 19,705.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,215.96 : 36,178.32 = 14,279.39 : x
  2. Step 2: Convert to fraction form
    26,215.96/36,178.32 = 14,279.39/x
  3. Step 3: Cross multiply
    26,215.96x = 36,178.32 × 14,279.39
  4. Step 4: Simplify right side
    26,215.96x = 516,604,269.43
  5. Step 5: Solve for x
    x = 516,604,269.43/26,215.96
  6. Step 6: Final answer
    x = 19,705.72

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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.