Home / 26,955.88-37,199.20-15,627.60

Finding the Fourth Proportional to 26,955.88, 37,199.20 and 15,627.60

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Solution

The fourth proportional to 26,955.88, 37,199.20 and 15,627.60 is: 21,566.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,955.88 : 37,199.20 = 15,627.60 : x
  2. Step 2: Convert to fraction form
    26,955.88/37,199.20 = 15,627.60/x
  3. Step 3: Cross multiply
    26,955.88x = 37,199.20 × 15,627.60
  4. Step 4: Simplify right side
    26,955.88x = 581,334,217.92
  5. Step 5: Solve for x
    x = 581,334,217.92/26,955.88
  6. Step 6: Final answer
    x = 21,566.14

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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.