Home / 23,771.40-32,867.16-20,818.95

Finding the Fourth Proportional to 23,771.40, 32,867.16 and 20,818.95

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Solution

The fourth proportional to 23,771.40, 32,867.16 and 20,818.95 is: 28,785.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,771.40 : 32,867.16 = 20,818.95 : x
  2. Step 2: Convert to fraction form
    23,771.40/32,867.16 = 20,818.95/x
  3. Step 3: Cross multiply
    23,771.40x = 32,867.16 × 20,818.95
  4. Step 4: Simplify right side
    23,771.40x = 684,259,760.68
  5. Step 5: Solve for x
    x = 684,259,760.68/23,771.40
  6. Step 6: Final answer
    x = 28,785.00

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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.