Home / 20,038.24-27,654.85-11,540.67

Finding the Fourth Proportional to 20,038.24, 27,654.85 and 11,540.67

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Solution

The fourth proportional to 20,038.24, 27,654.85 and 11,540.67 is: 15,927.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,038.24 : 27,654.85 = 11,540.67 : x
  2. Step 2: Convert to fraction form
    20,038.24/27,654.85 = 11,540.67/x
  3. Step 3: Cross multiply
    20,038.24x = 27,654.85 × 11,540.67
  4. Step 4: Simplify right side
    20,038.24x = 319,155,497.75
  5. Step 5: Solve for x
    x = 319,155,497.75/20,038.24
  6. Step 6: Final answer
    x = 15,927.32

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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.