Home / 31,427.60-43,369.73-23,397.16

Finding the Fourth Proportional to 31,427.60, 43,369.73 and 23,397.16

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Solution

The fourth proportional to 31,427.60, 43,369.73 and 23,397.16 is: 32,287.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,427.60 : 43,369.73 = 23,397.16 : x
  2. Step 2: Convert to fraction form
    31,427.60/43,369.73 = 23,397.16/x
  3. Step 3: Cross multiply
    31,427.60x = 43,369.73 × 23,397.16
  4. Step 4: Simplify right side
    31,427.60x = 1,014,728,511.97
  5. Step 5: Solve for x
    x = 1,014,728,511.97/31,427.60
  6. Step 6: Final answer
    x = 32,287.81

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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.