Home / 28,233.24-42,361.02-10,707.72

Finding the Fourth Proportional to 28,233.24, 42,361.02 and 10,707.72

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Solution

The fourth proportional to 28,233.24, 42,361.02 and 10,707.72 is: 16,065.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,233.24 : 42,361.02 = 10,707.72 : x
  2. Step 2: Convert to fraction form
    28,233.24/42,361.02 = 10,707.72/x
  3. Step 3: Cross multiply
    28,233.24x = 42,361.02 × 10,707.72
  4. Step 4: Simplify right side
    28,233.24x = 453,589,941.07
  5. Step 5: Solve for x
    x = 453,589,941.07/28,233.24
  6. Step 6: Final answer
    x = 16,065.81

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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.