Home / 26,907.20-37,131.35-15,577.17

Finding the Fourth Proportional to 26,907.20, 37,131.35 and 15,577.17

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Solution

The fourth proportional to 26,907.20, 37,131.35 and 15,577.17 is: 21,496.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,907.20 : 37,131.35 = 15,577.17 : x
  2. Step 2: Convert to fraction form
    26,907.20/37,131.35 = 15,577.17/x
  3. Step 3: Cross multiply
    26,907.20x = 37,131.35 × 15,577.17
  4. Step 4: Simplify right side
    26,907.20x = 578,401,351.28
  5. Step 5: Solve for x
    x = 578,401,351.28/26,907.20
  6. Step 6: Final answer
    x = 21,496.16

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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.