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Finding the Fourth Proportional to 17,892.06, 26,838.10 and 5,580.06

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Solution

The fourth proportional to 17,892.06, 26,838.10 and 5,580.06 is: 8,370.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,892.06 : 26,838.10 = 5,580.06 : x
  2. Step 2: Convert to fraction form
    17,892.06/26,838.10 = 5,580.06/x
  3. Step 3: Cross multiply
    17,892.06x = 26,838.10 × 5,580.06
  4. Step 4: Simplify right side
    17,892.06x = 149,758,208.29
  5. Step 5: Solve for x
    x = 149,758,208.29/17,892.06
  6. Step 6: Final answer
    x = 8,370.09

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1.5x scale

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.