Home / 26,907.84-37,131.84-15,729.60

Finding the Fourth Proportional to 26,907.84, 37,131.84 and 15,729.60

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Solution

The fourth proportional to 26,907.84, 37,131.84 and 15,729.60 is: 21,706.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,907.84 : 37,131.84 = 15,729.60 : x
  2. Step 2: Convert to fraction form
    26,907.84/37,131.84 = 15,729.60/x
  3. Step 3: Cross multiply
    26,907.84x = 37,131.84 × 15,729.60
  4. Step 4: Simplify right side
    26,907.84x = 584,068,990.46
  5. Step 5: Solve for x
    x = 584,068,990.46/26,907.84
  6. Step 6: Final answer
    x = 21,706.28

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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.