Home / 21,594.86-32,392.28-12,354.38

Finding the Fourth Proportional to 21,594.86, 32,392.28 and 12,354.38

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Solution

The fourth proportional to 21,594.86, 32,392.28 and 12,354.38 is: 18,531.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,594.86 : 32,392.28 = 12,354.38 : x
  2. Step 2: Convert to fraction form
    21,594.86/32,392.28 = 12,354.38/x
  3. Step 3: Cross multiply
    21,594.86x = 32,392.28 × 12,354.38
  4. Step 4: Simplify right side
    21,594.86x = 400,186,405.11
  5. Step 5: Solve for x
    x = 400,186,405.11/21,594.86
  6. Step 6: Final answer
    x = 18,531.56

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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.