Home / 27,683.12-38,202.80-15,107.92

Finding the Fourth Proportional to 27,683.12, 38,202.80 and 15,107.92

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Solution

The fourth proportional to 27,683.12, 38,202.80 and 15,107.92 is: 20,848.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,683.12 : 38,202.80 = 15,107.92 : x
  2. Step 2: Convert to fraction form
    27,683.12/38,202.80 = 15,107.92/x
  3. Step 3: Cross multiply
    27,683.12x = 38,202.80 × 15,107.92
  4. Step 4: Simplify right side
    27,683.12x = 577,164,846.18
  5. Step 5: Solve for x
    x = 577,164,846.18/27,683.12
  6. Step 6: Final answer
    x = 20,848.98

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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.