Home / 23,399.40-32,291.64-12,789.48

Finding the Fourth Proportional to 23,399.40, 32,291.64 and 12,789.48

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Solution

The fourth proportional to 23,399.40, 32,291.64 and 12,789.48 is: 17,649.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,399.40 : 32,291.64 = 12,789.48 : x
  2. Step 2: Convert to fraction form
    23,399.40/32,291.64 = 12,789.48/x
  3. Step 3: Cross multiply
    23,399.40x = 32,291.64 × 12,789.48
  4. Step 4: Simplify right side
    23,399.40x = 412,993,283.95
  5. Step 5: Solve for x
    x = 412,993,283.95/23,399.40
  6. Step 6: Final answer
    x = 17,649.74

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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.