Home / 26,981.60-37,233.88-15,650.38

Finding the Fourth Proportional to 26,981.60, 37,233.88 and 15,650.38

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Solution

The fourth proportional to 26,981.60, 37,233.88 and 15,650.38 is: 21,597.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,981.60 : 37,233.88 = 15,650.38 : x
  2. Step 2: Convert to fraction form
    26,981.60/37,233.88 = 15,650.38/x
  3. Step 3: Cross multiply
    26,981.60x = 37,233.88 × 15,650.38
  4. Step 4: Simplify right side
    26,981.60x = 582,724,370.87
  5. Step 5: Solve for x
    x = 582,724,370.87/26,981.60
  6. Step 6: Final answer
    x = 21,597.10

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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.