Home / 23,772.25-32,798.30-15,815.82

Finding the Fourth Proportional to 23,772.25, 32,798.30 and 15,815.82

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Solution

The fourth proportional to 23,772.25, 32,798.30 and 15,815.82 is: 21,820.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,772.25 : 32,798.30 = 15,815.82 : x
  2. Step 2: Convert to fraction form
    23,772.25/32,798.30 = 15,815.82/x
  3. Step 3: Cross multiply
    23,772.25x = 32,798.30 × 15,815.82
  4. Step 4: Simplify right side
    23,772.25x = 518,732,009.11
  5. Step 5: Solve for x
    x = 518,732,009.11/23,772.25
  6. Step 6: Final answer
    x = 21,820.91

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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.