Home / 26,639.16-36,763.92-15,310.56

Finding the Fourth Proportional to 26,639.16, 36,763.92 and 15,310.56

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Solution

The fourth proportional to 26,639.16, 36,763.92 and 15,310.56 is: 21,129.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,639.16 : 36,763.92 = 15,310.56 : x
  2. Step 2: Convert to fraction form
    26,639.16/36,763.92 = 15,310.56/x
  3. Step 3: Cross multiply
    26,639.16x = 36,763.92 × 15,310.56
  4. Step 4: Simplify right side
    26,639.16x = 562,876,203.00
  5. Step 5: Solve for x
    x = 562,876,203.00/26,639.16
  6. Step 6: Final answer
    x = 21,129.65

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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.