Home / 21,283.83-31,925.73-9,583.38

Finding the Fourth Proportional to 21,283.83, 31,925.73 and 9,583.38

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Solution

The fourth proportional to 21,283.83, 31,925.73 and 9,583.38 is: 14,375.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,283.83 : 31,925.73 = 9,583.38 : x
  2. Step 2: Convert to fraction form
    21,283.83/31,925.73 = 9,583.38/x
  3. Step 3: Cross multiply
    21,283.83x = 31,925.73 × 9,583.38
  4. Step 4: Simplify right side
    21,283.83x = 305,956,402.37
  5. Step 5: Solve for x
    x = 305,956,402.37/21,283.83
  6. Step 6: Final answer
    x = 14,375.06

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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.