Home / 26,310.94-36,303.12-15,698.50

Finding the Fourth Proportional to 26,310.94, 36,303.12 and 15,698.50

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Solution

The fourth proportional to 26,310.94, 36,303.12 and 15,698.50 is: 21,660.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,310.94 : 36,303.12 = 15,698.50 : x
  2. Step 2: Convert to fraction form
    26,310.94/36,303.12 = 15,698.50/x
  3. Step 3: Cross multiply
    26,310.94x = 36,303.12 × 15,698.50
  4. Step 4: Simplify right side
    26,310.94x = 569,904,529.32
  5. Step 5: Solve for x
    x = 569,904,529.32/26,310.94
  6. Step 6: Final answer
    x = 21,660.36

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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.