Home / 21,890.63-32,852.15-16,281.11

Finding the Fourth Proportional to 21,890.63, 32,852.15 and 16,281.11

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Solution

The fourth proportional to 21,890.63, 32,852.15 and 16,281.11 is: 24,433.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,890.63 : 32,852.15 = 16,281.11 : x
  2. Step 2: Convert to fraction form
    21,890.63/32,852.15 = 16,281.11/x
  3. Step 3: Cross multiply
    21,890.63x = 32,852.15 × 16,281.11
  4. Step 4: Simplify right side
    21,890.63x = 534,869,467.89
  5. Step 5: Solve for x
    x = 534,869,467.89/21,890.63
  6. Step 6: Final answer
    x = 24,433.72

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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.