Home / 21,926.40-32,895-6,345.60

Finding the Fourth Proportional to 21,926.40, 32,895 and 6,345.60

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Solution

The fourth proportional to 21,926.40, 32,895 and 6,345.60 is: 9,519.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,926.40 : 32,895 = 6,345.60 : x
  2. Step 2: Convert to fraction form
    21,926.40/32,895 = 6,345.60/x
  3. Step 3: Cross multiply
    21,926.40x = 32,895 × 6,345.60
  4. Step 4: Simplify right side
    21,926.40x = 208,738,512
  5. Step 5: Solve for x
    x = 208,738,512/21,926.40
  6. Step 6: Final answer
    x = 9,519.96

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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.