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Finding the Fourth Proportional to 23,879.36, 32,948.16 and 14,447.68

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Solution

The fourth proportional to 23,879.36, 32,948.16 and 14,447.68 is: 19,934.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,879.36 : 32,948.16 = 14,447.68 : x
  2. Step 2: Convert to fraction form
    23,879.36/32,948.16 = 14,447.68/x
  3. Step 3: Cross multiply
    23,879.36x = 32,948.16 × 14,447.68
  4. Step 4: Simplify right side
    23,879.36x = 476,024,472.27
  5. Step 5: Solve for x
    x = 476,024,472.27/23,879.36
  6. Step 6: Final answer
    x = 19,934.56

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1.5x scale

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.