Home / 23,490.30-32,416.36-12,879.91

Finding the Fourth Proportional to 23,490.30, 32,416.36 and 12,879.91

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Solution

The fourth proportional to 23,490.30, 32,416.36 and 12,879.91 is: 17,774.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,490.30 : 32,416.36 = 12,879.91 : x
  2. Step 2: Convert to fraction form
    23,490.30/32,416.36 = 12,879.91/x
  3. Step 3: Cross multiply
    23,490.30x = 32,416.36 × 12,879.91
  4. Step 4: Simplify right side
    23,490.30x = 417,519,799.33
  5. Step 5: Solve for x
    x = 417,519,799.33/23,490.30
  6. Step 6: Final answer
    x = 17,774.14

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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.