Home / 22,985.07-31,719.09-12,775.73

Finding the Fourth Proportional to 22,985.07, 31,719.09 and 12,775.73

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Solution

The fourth proportional to 22,985.07, 31,719.09 and 12,775.73 is: 17,630.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,985.07 : 31,719.09 = 12,775.73 : x
  2. Step 2: Convert to fraction form
    22,985.07/31,719.09 = 12,775.73/x
  3. Step 3: Cross multiply
    22,985.07x = 31,719.09 × 12,775.73
  4. Step 4: Simplify right side
    22,985.07x = 405,234,419.00
  5. Step 5: Solve for x
    x = 405,234,419.00/22,985.07
  6. Step 6: Final answer
    x = 17,630.34

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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.