Home / 26,751.74-36,914.31-15,421.14

Finding the Fourth Proportional to 26,751.74, 36,914.31 and 15,421.14

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Solution

The fourth proportional to 26,751.74, 36,914.31 and 15,421.14 is: 21,279.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,751.74 : 36,914.31 = 15,421.14 : x
  2. Step 2: Convert to fraction form
    26,751.74/36,914.31 = 15,421.14/x
  3. Step 3: Cross multiply
    26,751.74x = 36,914.31 × 15,421.14
  4. Step 4: Simplify right side
    26,751.74x = 569,260,742.51
  5. Step 5: Solve for x
    x = 569,260,742.51/26,751.74
  6. Step 6: Final answer
    x = 21,279.40

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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.