Home / 21,911.99-32,858.24-13,591.67

Finding the Fourth Proportional to 21,911.99, 32,858.24 and 13,591.67

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Solution

The fourth proportional to 21,911.99, 32,858.24 and 13,591.67 is: 20,381.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,911.99 : 32,858.24 = 13,591.67 : x
  2. Step 2: Convert to fraction form
    21,911.99/32,858.24 = 13,591.67/x
  3. Step 3: Cross multiply
    21,911.99x = 32,858.24 × 13,591.67
  4. Step 4: Simplify right side
    21,911.99x = 446,598,122.61
  5. Step 5: Solve for x
    x = 446,598,122.61/21,911.99
  6. Step 6: Final answer
    x = 20,381.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.