Home / 21,352.01-32,027.58-7,121.52

Finding the Fourth Proportional to 21,352.01, 32,027.58 and 7,121.52

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Solution

The fourth proportional to 21,352.01, 32,027.58 and 7,121.52 is: 10,682.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,352.01 : 32,027.58 = 7,121.52 : x
  2. Step 2: Convert to fraction form
    21,352.01/32,027.58 = 7,121.52/x
  3. Step 3: Cross multiply
    21,352.01x = 32,027.58 × 7,121.52
  4. Step 4: Simplify right side
    21,352.01x = 228,085,051.52
  5. Step 5: Solve for x
    x = 228,085,051.52/21,352.01
  6. Step 6: Final answer
    x = 10,682.14

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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.