Home / 21,405.60-32,092.47-10,301.85

Finding the Fourth Proportional to 21,405.60, 32,092.47 and 10,301.85

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Solution

The fourth proportional to 21,405.60, 32,092.47 and 10,301.85 is: 15,445.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,405.60 : 32,092.47 = 10,301.85 : x
  2. Step 2: Convert to fraction form
    21,405.60/32,092.47 = 10,301.85/x
  3. Step 3: Cross multiply
    21,405.60x = 32,092.47 × 10,301.85
  4. Step 4: Simplify right side
    21,405.60x = 330,611,812.07
  5. Step 5: Solve for x
    x = 330,611,812.07/21,405.60
  6. Step 6: Final answer
    x = 15,445.11

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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.