Home / 26,912.88-37,140.96-14,975.76

Finding the Fourth Proportional to 26,912.88, 37,140.96 and 14,975.76

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Solution

The fourth proportional to 26,912.88, 37,140.96 and 14,975.76 is: 20,667.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,912.88 : 37,140.96 = 14,975.76 : x
  2. Step 2: Convert to fraction form
    26,912.88/37,140.96 = 14,975.76/x
  3. Step 3: Cross multiply
    26,912.88x = 37,140.96 × 14,975.76
  4. Step 4: Simplify right side
    26,912.88x = 556,214,103.13
  5. Step 5: Solve for x
    x = 556,214,103.13/26,912.88
  6. Step 6: Final answer
    x = 20,667.21

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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.