Home / 26,907.85-37,135.79-15,577.17

Finding the Fourth Proportional to 26,907.85, 37,135.79 and 15,577.17

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Solution

The fourth proportional to 26,907.85, 37,135.79 and 15,577.17 is: 21,498.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,907.85 : 37,135.79 = 15,577.17 : x
  2. Step 2: Convert to fraction form
    26,907.85/37,135.79 = 15,577.17/x
  3. Step 3: Cross multiply
    26,907.85x = 37,135.79 × 15,577.17
  4. Step 4: Simplify right side
    26,907.85x = 578,470,513.91
  5. Step 5: Solve for x
    x = 578,470,513.91/26,907.85
  6. Step 6: Final answer
    x = 21,498.21

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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.