Home / 21,487.68-32,230.08-5,904

Finding the Fourth Proportional to 21,487.68, 32,230.08 and 5,904

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Solution

The fourth proportional to 21,487.68, 32,230.08 and 5,904 is: 8,855.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,487.68 : 32,230.08 = 5,904 : x
  2. Step 2: Convert to fraction form
    21,487.68/32,230.08 = 5,904/x
  3. Step 3: Cross multiply
    21,487.68x = 32,230.08 × 5,904
  4. Step 4: Simplify right side
    21,487.68x = 190,286,392.32
  5. Step 5: Solve for x
    x = 190,286,392.32/21,487.68
  6. Step 6: Final answer
    x = 8,855.60

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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.