Home / 21,877.44-32,848.96-12,528.02

Finding the Fourth Proportional to 21,877.44, 32,848.96 and 12,528.02

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Solution

The fourth proportional to 21,877.44, 32,848.96 and 12,528.02 is: 18,810.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,877.44 : 32,848.96 = 12,528.02 : x
  2. Step 2: Convert to fraction form
    21,877.44/32,848.96 = 12,528.02/x
  3. Step 3: Cross multiply
    21,877.44x = 32,848.96 × 12,528.02
  4. Step 4: Simplify right side
    21,877.44x = 411,532,427.86
  5. Step 5: Solve for x
    x = 411,532,427.86/21,877.44
  6. Step 6: Final answer
    x = 18,810.81

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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.