Home / 20,393.21-30,525.66-14,030.87

Finding the Fourth Proportional to 20,393.21, 30,525.66 and 14,030.87

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Solution

The fourth proportional to 20,393.21, 30,525.66 and 14,030.87 is: 21,002.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,393.21 : 30,525.66 = 14,030.87 : x
  2. Step 2: Convert to fraction form
    20,393.21/30,525.66 = 14,030.87/x
  3. Step 3: Cross multiply
    20,393.21x = 30,525.66 × 14,030.87
  4. Step 4: Simplify right side
    20,393.21x = 428,301,414.50
  5. Step 5: Solve for x
    x = 428,301,414.50/20,393.21
  6. Step 6: Final answer
    x = 21,002.16

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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.