Home / 21,017.25-31,526.06-5,433.93

Finding the Fourth Proportional to 21,017.25, 31,526.06 and 5,433.93

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Solution

The fourth proportional to 21,017.25, 31,526.06 and 5,433.93 is: 8,150.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,017.25 : 31,526.06 = 5,433.93 : x
  2. Step 2: Convert to fraction form
    21,017.25/31,526.06 = 5,433.93/x
  3. Step 3: Cross multiply
    21,017.25x = 31,526.06 × 5,433.93
  4. Step 4: Simplify right side
    21,017.25x = 171,310,376.05
  5. Step 5: Solve for x
    x = 171,310,376.05/21,017.25
  6. Step 6: Final answer
    x = 8,150.94

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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.