Home / 77,886.41-116,832.24-21,727.89

Finding the Fourth Proportional to 77,886.41, 116,832.24 and 21,727.89

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Solution

The fourth proportional to 77,886.41, 116,832.24 and 21,727.89 is: 32,592.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,886.41 : 116,832.24 = 21,727.89 : x
  2. Step 2: Convert to fraction form
    77,886.41/116,832.24 = 21,727.89/x
  3. Step 3: Cross multiply
    77,886.41x = 116,832.24 × 21,727.89
  4. Step 4: Simplify right side
    77,886.41x = 2,538,518,059.17
  5. Step 5: Solve for x
    x = 2,538,518,059.17/77,886.41
  6. Step 6: Final answer
    x = 32,592.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.