Home / 21,927.90-32,877.26-12,071.82

Finding the Fourth Proportional to 21,927.90, 32,877.26 and 12,071.82

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Solution

The fourth proportional to 21,927.90, 32,877.26 and 12,071.82 is: 18,099.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,927.90 : 32,877.26 = 12,071.82 : x
  2. Step 2: Convert to fraction form
    21,927.90/32,877.26 = 12,071.82/x
  3. Step 3: Cross multiply
    21,927.90x = 32,877.26 × 12,071.82
  4. Step 4: Simplify right side
    21,927.90x = 396,888,364.81
  5. Step 5: Solve for x
    x = 396,888,364.81/21,927.90
  6. Step 6: Final answer
    x = 18,099.70

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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.