Home / 23,064.32-31,828.76-12,992.80

Finding the Fourth Proportional to 23,064.32, 31,828.76 and 12,992.80

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Solution

The fourth proportional to 23,064.32, 31,828.76 and 12,992.80 is: 17,930.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,064.32 : 31,828.76 = 12,992.80 : x
  2. Step 2: Convert to fraction form
    23,064.32/31,828.76 = 12,992.80/x
  3. Step 3: Cross multiply
    23,064.32x = 31,828.76 × 12,992.80
  4. Step 4: Simplify right side
    23,064.32x = 413,544,712.93
  5. Step 5: Solve for x
    x = 413,544,712.93/23,064.32
  6. Step 6: Final answer
    x = 17,930.06

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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.