Home / 26,675.88-39,991.36-12,627.76

Finding the Fourth Proportional to 26,675.88, 39,991.36 and 12,627.76

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Solution

The fourth proportional to 26,675.88, 39,991.36 and 12,627.76 is: 18,931.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,675.88 : 39,991.36 = 12,627.76 : x
  2. Step 2: Convert to fraction form
    26,675.88/39,991.36 = 12,627.76/x
  3. Step 3: Cross multiply
    26,675.88x = 39,991.36 × 12,627.76
  4. Step 4: Simplify right side
    26,675.88x = 505,001,296.15
  5. Step 5: Solve for x
    x = 505,001,296.15/26,675.88
  6. Step 6: Final answer
    x = 18,931.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.