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Finding the Fourth Proportional to 23.99, 36.00 and 10.47

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Solution

The fourth proportional to 23.99, 36.00 and 10.47 is: 15.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    23.99 : 36.00 = 10.47 : x
  2. Step 2: Convert to fraction form
    23.99/36.00 = 10.47/x
  3. Step 3: Cross multiply
    23.99x = 36.00 × 10.47
  4. Step 4: Simplify right side
    23.99x = 376.78
  5. Step 5: Solve for x
    x = 376.78/23.99
  6. Step 6: Final answer
    x = 15.70

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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.