Home / 43,945.60-65,905.60-15,862.40

Finding the Fourth Proportional to 43,945.60, 65,905.60 and 15,862.40

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Solution

The fourth proportional to 43,945.60, 65,905.60 and 15,862.40 is: 23,788.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,945.60 : 65,905.60 = 15,862.40 : x
  2. Step 2: Convert to fraction form
    43,945.60/65,905.60 = 15,862.40/x
  3. Step 3: Cross multiply
    43,945.60x = 65,905.60 × 15,862.40
  4. Step 4: Simplify right side
    43,945.60x = 1,045,420,989.44
  5. Step 5: Solve for x
    x = 1,045,420,989.44/43,945.60
  6. Step 6: Final answer
    x = 23,788.98

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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.