Home / 27,103.17-37,381.29-20,713.89

Finding the Fourth Proportional to 27,103.17, 37,381.29 and 20,713.89

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Solution

The fourth proportional to 27,103.17, 37,381.29 and 20,713.89 is: 28,569.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,103.17 : 37,381.29 = 20,713.89 : x
  2. Step 2: Convert to fraction form
    27,103.17/37,381.29 = 20,713.89/x
  3. Step 3: Cross multiply
    27,103.17x = 37,381.29 × 20,713.89
  4. Step 4: Simplify right side
    27,103.17x = 774,311,929.12
  5. Step 5: Solve for x
    x = 774,311,929.12/27,103.17
  6. Step 6: Final answer
    x = 28,569.05

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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.