Home / 23,489.99-32,416.17-12,879.80

Finding the Fourth Proportional to 23,489.99, 32,416.17 and 12,879.80

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Solution

The fourth proportional to 23,489.99, 32,416.17 and 12,879.80 is: 17,774.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,489.99 : 32,416.17 = 12,879.80 : x
  2. Step 2: Convert to fraction form
    23,489.99/32,416.17 = 12,879.80/x
  3. Step 3: Cross multiply
    23,489.99x = 32,416.17 × 12,879.80
  4. Step 4: Simplify right side
    23,489.99x = 417,513,786.37
  5. Step 5: Solve for x
    x = 417,513,786.37/23,489.99
  6. Step 6: Final answer
    x = 17,774.12

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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.