Home / 43,728.60-65,594.96-14,148.76

Finding the Fourth Proportional to 43,728.60, 65,594.96 and 14,148.76

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Solution

The fourth proportional to 43,728.60, 65,594.96 and 14,148.76 is: 21,223.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,728.60 : 65,594.96 = 14,148.76 : x
  2. Step 2: Convert to fraction form
    43,728.60/65,594.96 = 14,148.76/x
  3. Step 3: Cross multiply
    43,728.60x = 65,594.96 × 14,148.76
  4. Step 4: Simplify right side
    43,728.60x = 928,087,346.25
  5. Step 5: Solve for x
    x = 928,087,346.25/43,728.60
  6. Step 6: Final answer
    x = 21,223.81

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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.