Home / 26,750.31-36,912.29-15,419.67

Finding the Fourth Proportional to 26,750.31, 36,912.29 and 15,419.67

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Solution

The fourth proportional to 26,750.31, 36,912.29 and 15,419.67 is: 21,277.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,750.31 : 36,912.29 = 15,419.67 : x
  2. Step 2: Convert to fraction form
    26,750.31/36,912.29 = 15,419.67/x
  3. Step 3: Cross multiply
    26,750.31x = 36,912.29 × 15,419.67
  4. Step 4: Simplify right side
    26,750.31x = 569,175,253.65
  5. Step 5: Solve for x
    x = 569,175,253.65/26,750.31
  6. Step 6: Final answer
    x = 21,277.33

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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.