Home / 38,845.60-58,268.40-13,897.60

Finding the Fourth Proportional to 38,845.60, 58,268.40 and 13,897.60

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Solution

The fourth proportional to 38,845.60, 58,268.40 and 13,897.60 is: 20,846.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,845.60 : 58,268.40 = 13,897.60 : x
  2. Step 2: Convert to fraction form
    38,845.60/58,268.40 = 13,897.60/x
  3. Step 3: Cross multiply
    38,845.60x = 58,268.40 × 13,897.60
  4. Step 4: Simplify right side
    38,845.60x = 809,790,915.84
  5. Step 5: Solve for x
    x = 809,790,915.84/38,845.60
  6. Step 6: Final answer
    x = 20,846.40

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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.