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Finding the Fourth Proportional to 52,724, 79,086 and 15,788

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Solution

The fourth proportional to 52,724, 79,086 and 15,788 is: 23,682

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,724 : 79,086 = 15,788 : x
  2. Step 2: Convert to fraction form
    52,724/79,086 = 15,788/x
  3. Step 3: Cross multiply
    52,724x = 79,086 × 15,788
  4. Step 4: Simplify right side
    52,724x = 1,248,609,768
  5. Step 5: Solve for x
    x = 1,248,609,768/52,724
  6. Step 6: Final answer
    x = 23,682

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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.