Home / 26,591.69-36,696.65-15,981.50

Finding the Fourth Proportional to 26,591.69, 36,696.65 and 15,981.50

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Solution

The fourth proportional to 26,591.69, 36,696.65 and 15,981.50 is: 22,054.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,591.69 : 36,696.65 = 15,981.50 : x
  2. Step 2: Convert to fraction form
    26,591.69/36,696.65 = 15,981.50/x
  3. Step 3: Cross multiply
    26,591.69x = 36,696.65 × 15,981.50
  4. Step 4: Simplify right side
    26,591.69x = 586,467,523.81
  5. Step 5: Solve for x
    x = 586,467,523.81/26,591.69
  6. Step 6: Final answer
    x = 22,054.54

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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.