Home / 27,683.32-38,202.97-15,108.07

Finding the Fourth Proportional to 27,683.32, 38,202.97 and 15,108.07

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Solution

The fourth proportional to 27,683.32, 38,202.97 and 15,108.07 is: 20,849.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,683.32 : 38,202.97 = 15,108.07 : x
  2. Step 2: Convert to fraction form
    27,683.32/38,202.97 = 15,108.07/x
  3. Step 3: Cross multiply
    27,683.32x = 38,202.97 × 15,108.07
  4. Step 4: Simplify right side
    27,683.32x = 577,173,011.69
  5. Step 5: Solve for x
    x = 577,173,011.69/27,683.32
  6. Step 6: Final answer
    x = 20,849.13

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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.