Home / 21,373.12-32,059.68-5,790.75

Finding the Fourth Proportional to 21,373.12, 32,059.68 and 5,790.75

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Solution

The fourth proportional to 21,373.12, 32,059.68 and 5,790.75 is: 8,686.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,373.12 : 32,059.68 = 5,790.75 : x
  2. Step 2: Convert to fraction form
    21,373.12/32,059.68 = 5,790.75/x
  3. Step 3: Cross multiply
    21,373.12x = 32,059.68 × 5,790.75
  4. Step 4: Simplify right side
    21,373.12x = 185,649,450.02
  5. Step 5: Solve for x
    x = 185,649,450.02/21,373.12
  6. Step 6: Final answer
    x = 8,686.12

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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.