Home / 65,025.60-97,538.40-18,272.40

Finding the Fourth Proportional to 65,025.60, 97,538.40 and 18,272.40

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Solution

The fourth proportional to 65,025.60, 97,538.40 and 18,272.40 is: 27,408.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,025.60 : 97,538.40 = 18,272.40 : x
  2. Step 2: Convert to fraction form
    65,025.60/97,538.40 = 18,272.40/x
  3. Step 3: Cross multiply
    65,025.60x = 97,538.40 × 18,272.40
  4. Step 4: Simplify right side
    65,025.60x = 1,782,260,660.16
  5. Step 5: Solve for x
    x = 1,782,260,660.16/65,025.60
  6. Step 6: Final answer
    x = 27,408.60

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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.