Home / 28,106.15-42,150.76-23,163.53

Finding the Fourth Proportional to 28,106.15, 42,150.76 and 23,163.53

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Solution

The fourth proportional to 28,106.15, 42,150.76 and 23,163.53 is: 34,738.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,106.15 : 42,150.76 = 23,163.53 : x
  2. Step 2: Convert to fraction form
    28,106.15/42,150.76 = 23,163.53/x
  3. Step 3: Cross multiply
    28,106.15x = 42,150.76 × 23,163.53
  4. Step 4: Simplify right side
    28,106.15x = 976,360,125.12
  5. Step 5: Solve for x
    x = 976,360,125.12/28,106.15
  6. Step 6: Final answer
    x = 34,738.32

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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.