Home / 26,742.74-36,907.72-15,412.64

Finding the Fourth Proportional to 26,742.74, 36,907.72 and 15,412.64

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Solution

The fourth proportional to 26,742.74, 36,907.72 and 15,412.64 is: 21,271.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,742.74 : 36,907.72 = 15,412.64 : x
  2. Step 2: Convert to fraction form
    26,742.74/36,907.72 = 15,412.64/x
  3. Step 3: Cross multiply
    26,742.74x = 36,907.72 × 15,412.64
  4. Step 4: Simplify right side
    26,742.74x = 568,845,401.58
  5. Step 5: Solve for x
    x = 568,845,401.58/26,742.74
  6. Step 6: Final answer
    x = 21,271.02

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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.