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Finding the Fourth Proportional to 52,957.74, 79,448.04 and 17,896.62

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Solution

The fourth proportional to 52,957.74, 79,448.04 and 17,896.62 is: 26,848.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,957.74 : 79,448.04 = 17,896.62 : x
  2. Step 2: Convert to fraction form
    52,957.74/79,448.04 = 17,896.62/x
  3. Step 3: Cross multiply
    52,957.74x = 79,448.04 × 17,896.62
  4. Step 4: Simplify right side
    52,957.74x = 1,421,851,381.62
  5. Step 5: Solve for x
    x = 1,421,851,381.62/52,957.74
  6. Step 6: Final answer
    x = 26,848.79

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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.