Home / 26,139.20-36,072.32-14,202.56

Finding the Fourth Proportional to 26,139.20, 36,072.32 and 14,202.56

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Solution

The fourth proportional to 26,139.20, 36,072.32 and 14,202.56 is: 19,599.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,139.20 : 36,072.32 = 14,202.56 : x
  2. Step 2: Convert to fraction form
    26,139.20/36,072.32 = 14,202.56/x
  3. Step 3: Cross multiply
    26,139.20x = 36,072.32 × 14,202.56
  4. Step 4: Simplify right side
    26,139.20x = 512,319,289.14
  5. Step 5: Solve for x
    x = 512,319,289.14/26,139.20
  6. Step 6: Final answer
    x = 19,599.65

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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.