Home / 17,818.78-26,728.28-4,671.03

Finding the Fourth Proportional to 17,818.78, 26,728.28 and 4,671.03

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Solution

The fourth proportional to 17,818.78, 26,728.28 and 4,671.03 is: 7,006.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,818.78 : 26,728.28 = 4,671.03 : x
  2. Step 2: Convert to fraction form
    17,818.78/26,728.28 = 4,671.03/x
  3. Step 3: Cross multiply
    17,818.78x = 26,728.28 × 4,671.03
  4. Step 4: Simplify right side
    17,818.78x = 124,848,574.37
  5. Step 5: Solve for x
    x = 124,848,574.37/17,818.78
  6. Step 6: Final answer
    x = 7,006.57

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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.