Home / 28,334.14-39,129.42-23,347.78

Finding the Fourth Proportional to 28,334.14, 39,129.42 and 23,347.78

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Solution

The fourth proportional to 28,334.14, 39,129.42 and 23,347.78 is: 32,243.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,334.14 : 39,129.42 = 23,347.78 : x
  2. Step 2: Convert to fraction form
    28,334.14/39,129.42 = 23,347.78/x
  3. Step 3: Cross multiply
    28,334.14x = 39,129.42 × 23,347.78
  4. Step 4: Simplify right side
    28,334.14x = 913,585,089.69
  5. Step 5: Solve for x
    x = 913,585,089.69/28,334.14
  6. Step 6: Final answer
    x = 32,243.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.