Home / 21,927.32-32,887.92-7,136.36

Finding the Fourth Proportional to 21,927.32, 32,887.92 and 7,136.36

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Solution

The fourth proportional to 21,927.32, 32,887.92 and 7,136.36 is: 10,703.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,927.32 : 32,887.92 = 7,136.36 : x
  2. Step 2: Convert to fraction form
    21,927.32/32,887.92 = 7,136.36/x
  3. Step 3: Cross multiply
    21,927.32x = 32,887.92 × 7,136.36
  4. Step 4: Simplify right side
    21,927.32x = 234,700,036.77
  5. Step 5: Solve for x
    x = 234,700,036.77/21,927.32
  6. Step 6: Final answer
    x = 10,703.54

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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.