Home / 28,808.40-39,773.94-23,515.80

Finding the Fourth Proportional to 28,808.40, 39,773.94 and 23,515.80

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Solution

The fourth proportional to 28,808.40, 39,773.94 and 23,515.80 is: 32,466.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,808.40 : 39,773.94 = 23,515.80 : x
  2. Step 2: Convert to fraction form
    28,808.40/39,773.94 = 23,515.80/x
  3. Step 3: Cross multiply
    28,808.40x = 39,773.94 × 23,515.80
  4. Step 4: Simplify right side
    28,808.40x = 935,316,018.25
  5. Step 5: Solve for x
    x = 935,316,018.25/28,808.40
  6. Step 6: Final answer
    x = 32,466.78

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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.