Home / 23,212.95-34,785.40-14,421.21

Finding the Fourth Proportional to 23,212.95, 34,785.40 and 14,421.21

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Solution

The fourth proportional to 23,212.95, 34,785.40 and 14,421.21 is: 21,610.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,212.95 : 34,785.40 = 14,421.21 : x
  2. Step 2: Convert to fraction form
    23,212.95/34,785.40 = 14,421.21/x
  3. Step 3: Cross multiply
    23,212.95x = 34,785.40 × 14,421.21
  4. Step 4: Simplify right side
    23,212.95x = 501,647,558.33
  5. Step 5: Solve for x
    x = 501,647,558.33/23,212.95
  6. Step 6: Final answer
    x = 21,610.68

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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.