Home / 27,409.78-37,827.98-15,476.05

Finding the Fourth Proportional to 27,409.78, 37,827.98 and 15,476.05

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Solution

The fourth proportional to 27,409.78, 37,827.98 and 15,476.05 is: 21,358.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,409.78 : 37,827.98 = 15,476.05 : x
  2. Step 2: Convert to fraction form
    27,409.78/37,827.98 = 15,476.05/x
  3. Step 3: Cross multiply
    27,409.78x = 37,827.98 × 15,476.05
  4. Step 4: Simplify right side
    27,409.78x = 585,427,709.88
  5. Step 5: Solve for x
    x = 585,427,709.88/27,409.78
  6. Step 6: Final answer
    x = 21,358.35

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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.