Home / 28,806.40-39,771.18-23,513.80

Finding the Fourth Proportional to 28,806.40, 39,771.18 and 23,513.80

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Solution

The fourth proportional to 28,806.40, 39,771.18 and 23,513.80 is: 32,464.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,806.40 : 39,771.18 = 23,513.80 : x
  2. Step 2: Convert to fraction form
    28,806.40/39,771.18 = 23,513.80/x
  3. Step 3: Cross multiply
    28,806.40x = 39,771.18 × 23,513.80
  4. Step 4: Simplify right side
    28,806.40x = 935,171,572.28
  5. Step 5: Solve for x
    x = 935,171,572.28/28,806.40
  6. Step 6: Final answer
    x = 32,464.02

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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.