Home / 43,572.15-65,341.62-18,623.75

Finding the Fourth Proportional to 43,572.15, 65,341.62 and 18,623.75

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Solution

The fourth proportional to 43,572.15, 65,341.62 and 18,623.75 is: 27,928.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,572.15 : 65,341.62 = 18,623.75 : x
  2. Step 2: Convert to fraction form
    43,572.15/65,341.62 = 18,623.75/x
  3. Step 3: Cross multiply
    43,572.15x = 65,341.62 × 18,623.75
  4. Step 4: Simplify right side
    43,572.15x = 1,216,905,668.77
  5. Step 5: Solve for x
    x = 1,216,905,668.77/43,572.15
  6. Step 6: Final answer
    x = 27,928.52

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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.