Home / 21,931.26-32,840.84-12,059.69

Finding the Fourth Proportional to 21,931.26, 32,840.84 and 12,059.69

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Solution

The fourth proportional to 21,931.26, 32,840.84 and 12,059.69 is: 18,058.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,931.26 : 32,840.84 = 12,059.69 : x
  2. Step 2: Convert to fraction form
    21,931.26/32,840.84 = 12,059.69/x
  3. Step 3: Cross multiply
    21,931.26x = 32,840.84 × 12,059.69
  4. Step 4: Simplify right side
    21,931.26x = 396,050,215.68
  5. Step 5: Solve for x
    x = 396,050,215.68/21,931.26
  6. Step 6: Final answer
    x = 18,058.71

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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.