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Finding the Fourth Proportional to 56,610, 84,915 and 17,698

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Solution

The fourth proportional to 56,610, 84,915 and 17,698 is: 26,547

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,610 : 84,915 = 17,698 : x
  2. Step 2: Convert to fraction form
    56,610/84,915 = 17,698/x
  3. Step 3: Cross multiply
    56,610x = 84,915 × 17,698
  4. Step 4: Simplify right side
    56,610x = 1,502,825,670
  5. Step 5: Solve for x
    x = 1,502,825,670/56,610
  6. Step 6: Final answer
    x = 26,547

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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.