Home / 21,932.40-32,846.64-12,577.50

Finding the Fourth Proportional to 21,932.40, 32,846.64 and 12,577.50

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Solution

The fourth proportional to 21,932.40, 32,846.64 and 12,577.50 is: 18,836.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,932.40 : 32,846.64 = 12,577.50 : x
  2. Step 2: Convert to fraction form
    21,932.40/32,846.64 = 12,577.50/x
  3. Step 3: Cross multiply
    21,932.40x = 32,846.64 × 12,577.50
  4. Step 4: Simplify right side
    21,932.40x = 413,128,614.60
  5. Step 5: Solve for x
    x = 413,128,614.60/21,932.40
  6. Step 6: Final answer
    x = 18,836.45

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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.