Home / 22,695.60-31,324.80-12,627.44

Finding the Fourth Proportional to 22,695.60, 31,324.80 and 12,627.44

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Solution

The fourth proportional to 22,695.60, 31,324.80 and 12,627.44 is: 17,428.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,695.60 : 31,324.80 = 12,627.44 : x
  2. Step 2: Convert to fraction form
    22,695.60/31,324.80 = 12,627.44/x
  3. Step 3: Cross multiply
    22,695.60x = 31,324.80 × 12,627.44
  4. Step 4: Simplify right side
    22,695.60x = 395,552,032.51
  5. Step 5: Solve for x
    x = 395,552,032.51/22,695.60
  6. Step 6: Final answer
    x = 17,428.58

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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.