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Finding the Fourth Proportional to 27,490, 37,937.04 and 15,553.08

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Solution

The fourth proportional to 27,490, 37,937.04 and 15,553.08 is: 21,463.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,490 : 37,937.04 = 15,553.08 : x
  2. Step 2: Convert to fraction form
    27,490/37,937.04 = 15,553.08/x
  3. Step 3: Cross multiply
    27,490x = 37,937.04 × 15,553.08
  4. Step 4: Simplify right side
    27,490x = 590,037,818.08
  5. Step 5: Solve for x
    x = 590,037,818.08/27,490
  6. Step 6: Final answer
    x = 21,463.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.