Home / 21,672.63-32,515.58-19,437.33

Finding the Fourth Proportional to 21,672.63, 32,515.58 and 19,437.33

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Solution

The fourth proportional to 21,672.63, 32,515.58 and 19,437.33 is: 29,161.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,672.63 : 32,515.58 = 19,437.33 : x
  2. Step 2: Convert to fraction form
    21,672.63/32,515.58 = 19,437.33/x
  3. Step 3: Cross multiply
    21,672.63x = 32,515.58 × 19,437.33
  4. Step 4: Simplify right side
    21,672.63x = 632,016,188.48
  5. Step 5: Solve for x
    x = 632,016,188.48/21,672.63
  6. Step 6: Final answer
    x = 29,161.96

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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.