Home / 26,215.76-36,178.18-14,279.11

Finding the Fourth Proportional to 26,215.76, 36,178.18 and 14,279.11

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Solution

The fourth proportional to 26,215.76, 36,178.18 and 14,279.11 is: 19,705.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,215.76 : 36,178.18 = 14,279.11 : x
  2. Step 2: Convert to fraction form
    26,215.76/36,178.18 = 14,279.11/x
  3. Step 3: Cross multiply
    26,215.76x = 36,178.18 × 14,279.11
  4. Step 4: Simplify right side
    26,215.76x = 516,592,085.68
  5. Step 5: Solve for x
    x = 516,592,085.68/26,215.76
  6. Step 6: Final answer
    x = 19,705.40

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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.