Home / 26,125.58-36,054-15,371.20

Finding the Fourth Proportional to 26,125.58, 36,054 and 15,371.20

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Solution

The fourth proportional to 26,125.58, 36,054 and 15,371.20 is: 21,212.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,125.58 : 36,054 = 15,371.20 : x
  2. Step 2: Convert to fraction form
    26,125.58/36,054 = 15,371.20/x
  3. Step 3: Cross multiply
    26,125.58x = 36,054 × 15,371.20
  4. Step 4: Simplify right side
    26,125.58x = 554,193,244.80
  5. Step 5: Solve for x
    x = 554,193,244.80/26,125.58
  6. Step 6: Final answer
    x = 21,212.67

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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.