Home / 23,431.21-32,336.01-12,820.95

Finding the Fourth Proportional to 23,431.21, 32,336.01 and 12,820.95

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Solution

The fourth proportional to 23,431.21, 32,336.01 and 12,820.95 is: 17,693.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,431.21 : 32,336.01 = 12,820.95 : x
  2. Step 2: Convert to fraction form
    23,431.21/32,336.01 = 12,820.95/x
  3. Step 3: Cross multiply
    23,431.21x = 32,336.01 × 12,820.95
  4. Step 4: Simplify right side
    23,431.21x = 414,578,367.41
  5. Step 5: Solve for x
    x = 414,578,367.41/23,431.21
  6. Step 6: Final answer
    x = 17,693.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.