Home / 27,683.31-38,203.01-15,108.06

Finding the Fourth Proportional to 27,683.31, 38,203.01 and 15,108.06

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Solution

The fourth proportional to 27,683.31, 38,203.01 and 15,108.06 is: 20,849.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,683.31 : 38,203.01 = 15,108.06 : x
  2. Step 2: Convert to fraction form
    27,683.31/38,203.01 = 15,108.06/x
  3. Step 3: Cross multiply
    27,683.31x = 38,203.01 × 15,108.06
  4. Step 4: Simplify right side
    27,683.31x = 577,173,367.26
  5. Step 5: Solve for x
    x = 577,173,367.26/27,683.31
  6. Step 6: Final answer
    x = 20,849.15

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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.