Home / 21,483.54-32,225.31-7,631.46

Finding the Fourth Proportional to 21,483.54, 32,225.31 and 7,631.46

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Solution

The fourth proportional to 21,483.54, 32,225.31 and 7,631.46 is: 11,447.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,483.54 : 32,225.31 = 7,631.46 : x
  2. Step 2: Convert to fraction form
    21,483.54/32,225.31 = 7,631.46/x
  3. Step 3: Cross multiply
    21,483.54x = 32,225.31 × 7,631.46
  4. Step 4: Simplify right side
    21,483.54x = 245,926,164.25
  5. Step 5: Solve for x
    x = 245,926,164.25/21,483.54
  6. Step 6: Final answer
    x = 11,447.19

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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.