Home / 20,525.19-30,788.09-13,549.88

Finding the Fourth Proportional to 20,525.19, 30,788.09 and 13,549.88

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Solution

The fourth proportional to 20,525.19, 30,788.09 and 13,549.88 is: 20,325.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,525.19 : 30,788.09 = 13,549.88 : x
  2. Step 2: Convert to fraction form
    20,525.19/30,788.09 = 13,549.88/x
  3. Step 3: Cross multiply
    20,525.19x = 30,788.09 × 13,549.88
  4. Step 4: Simplify right side
    20,525.19x = 417,174,770.99
  5. Step 5: Solve for x
    x = 417,174,770.99/20,525.19
  6. Step 6: Final answer
    x = 20,325.01

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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.