Home / 21,888.04-32,842.31-10,788.68

Finding the Fourth Proportional to 21,888.04, 32,842.31 and 10,788.68

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Solution

The fourth proportional to 21,888.04, 32,842.31 and 10,788.68 is: 16,188.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,888.04 : 32,842.31 = 10,788.68 : x
  2. Step 2: Convert to fraction form
    21,888.04/32,842.31 = 10,788.68/x
  3. Step 3: Cross multiply
    21,888.04x = 32,842.31 × 10,788.68
  4. Step 4: Simplify right side
    21,888.04x = 354,325,173.05
  5. Step 5: Solve for x
    x = 354,325,173.05/21,888.04
  6. Step 6: Final answer
    x = 16,188.07

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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.