Home / 15,958.28-23,938.50-4,272.68

Finding the Fourth Proportional to 15,958.28, 23,938.50 and 4,272.68

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Solution

The fourth proportional to 15,958.28, 23,938.50 and 4,272.68 is: 6,409.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,958.28 : 23,938.50 = 4,272.68 : x
  2. Step 2: Convert to fraction form
    15,958.28/23,938.50 = 4,272.68/x
  3. Step 3: Cross multiply
    15,958.28x = 23,938.50 × 4,272.68
  4. Step 4: Simplify right side
    15,958.28x = 102,281,550.18
  5. Step 5: Solve for x
    x = 102,281,550.18/15,958.28
  6. Step 6: Final answer
    x = 6,409.31

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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.