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Finding the Fourth Proportional to 27,040, 37,315.10 and 15,103.34

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Solution

The fourth proportional to 27,040, 37,315.10 and 15,103.34 is: 20,842.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,040 : 37,315.10 = 15,103.34 : x
  2. Step 2: Convert to fraction form
    27,040/37,315.10 = 15,103.34/x
  3. Step 3: Cross multiply
    27,040x = 37,315.10 × 15,103.34
  4. Step 4: Simplify right side
    27,040x = 563,582,642.43
  5. Step 5: Solve for x
    x = 563,582,642.43/27,040
  6. Step 6: Final answer
    x = 20,842.55

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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.