Home / 21,615.36-32,458.19-13,347.96

Finding the Fourth Proportional to 21,615.36, 32,458.19 and 13,347.96

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Solution

The fourth proportional to 21,615.36, 32,458.19 and 13,347.96 is: 20,043.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,615.36 : 32,458.19 = 13,347.96 : x
  2. Step 2: Convert to fraction form
    21,615.36/32,458.19 = 13,347.96/x
  3. Step 3: Cross multiply
    21,615.36x = 32,458.19 × 13,347.96
  4. Step 4: Simplify right side
    21,615.36x = 433,250,433.33
  5. Step 5: Solve for x
    x = 433,250,433.33/21,615.36
  6. Step 6: Final answer
    x = 20,043.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.