Home / 27,683.85-38,203.54-15,747.22

Finding the Fourth Proportional to 27,683.85, 38,203.54 and 15,747.22

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Solution

The fourth proportional to 27,683.85, 38,203.54 and 15,747.22 is: 21,731.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,683.85 : 38,203.54 = 15,747.22 : x
  2. Step 2: Convert to fraction form
    27,683.85/38,203.54 = 15,747.22/x
  3. Step 3: Cross multiply
    27,683.85x = 38,203.54 × 15,747.22
  4. Step 4: Simplify right side
    27,683.85x = 601,599,549.16
  5. Step 5: Solve for x
    x = 601,599,549.16/27,683.85
  6. Step 6: Final answer
    x = 21,731.07

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1.5x scale

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.