Home / 28,721.94-43,082.93-9,002.06

Finding the Fourth Proportional to 28,721.94, 43,082.93 and 9,002.06

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Solution

The fourth proportional to 28,721.94, 43,082.93 and 9,002.06 is: 13,503.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,721.94 : 43,082.93 = 9,002.06 : x
  2. Step 2: Convert to fraction form
    28,721.94/43,082.93 = 9,002.06/x
  3. Step 3: Cross multiply
    28,721.94x = 43,082.93 × 9,002.06
  4. Step 4: Simplify right side
    28,721.94x = 387,834,927.93
  5. Step 5: Solve for x
    x = 387,834,927.93/28,721.94
  6. Step 6: Final answer
    x = 13,503.09

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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.