Home / 22,926.60-31,640.01-12,858.30

Finding the Fourth Proportional to 22,926.60, 31,640.01 and 12,858.30

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Solution

The fourth proportional to 22,926.60, 31,640.01 and 12,858.30 is: 17,745.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,926.60 : 31,640.01 = 12,858.30 : x
  2. Step 2: Convert to fraction form
    22,926.60/31,640.01 = 12,858.30/x
  3. Step 3: Cross multiply
    22,926.60x = 31,640.01 × 12,858.30
  4. Step 4: Simplify right side
    22,926.60x = 406,836,740.58
  5. Step 5: Solve for x
    x = 406,836,740.58/22,926.60
  6. Step 6: Final answer
    x = 17,745.18

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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.