Home / 17,938.04-26,906.45-4,789.71

Finding the Fourth Proportional to 17,938.04, 26,906.45 and 4,789.71

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Solution

The fourth proportional to 17,938.04, 26,906.45 and 4,789.71 is: 7,184.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,938.04 : 26,906.45 = 4,789.71 : x
  2. Step 2: Convert to fraction form
    17,938.04/26,906.45 = 4,789.71/x
  3. Step 3: Cross multiply
    17,938.04x = 26,906.45 × 4,789.71
  4. Step 4: Simplify right side
    17,938.04x = 128,874,068.68
  5. Step 5: Solve for x
    x = 128,874,068.68/17,938.04
  6. Step 6: Final answer
    x = 7,184.40

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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.