Home / 21,327.22-29,441.00-13,777.23

Finding the Fourth Proportional to 21,327.22, 29,441.00 and 13,777.23

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Solution

The fourth proportional to 21,327.22, 29,441.00 and 13,777.23 is: 19,018.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,327.22 : 29,441.00 = 13,777.23 : x
  2. Step 2: Convert to fraction form
    21,327.22/29,441.00 = 13,777.23/x
  3. Step 3: Cross multiply
    21,327.22x = 29,441.00 × 13,777.23
  4. Step 4: Simplify right side
    21,327.22x = 405,615,212.34
  5. Step 5: Solve for x
    x = 405,615,212.34/21,327.22
  6. Step 6: Final answer
    x = 19,018.67

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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.