Home / 21,927.72-32,883.42-7,883.91

Finding the Fourth Proportional to 21,927.72, 32,883.42 and 7,883.91

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Solution

The fourth proportional to 21,927.72, 32,883.42 and 7,883.91 is: 11,822.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,927.72 : 32,883.42 = 7,883.91 : x
  2. Step 2: Convert to fraction form
    21,927.72/32,883.42 = 7,883.91/x
  3. Step 3: Cross multiply
    21,927.72x = 32,883.42 × 7,883.91
  4. Step 4: Simplify right side
    21,927.72x = 259,249,923.77
  5. Step 5: Solve for x
    x = 259,249,923.77/21,927.72
  6. Step 6: Final answer
    x = 11,822.93

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1.5x scale

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.