Home / 15,416.75-23,128.77-5,028.50

Finding the Fourth Proportional to 15,416.75, 23,128.77 and 5,028.50

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Solution

The fourth proportional to 15,416.75, 23,128.77 and 5,028.50 is: 7,543.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,416.75 : 23,128.77 = 5,028.50 : x
  2. Step 2: Convert to fraction form
    15,416.75/23,128.77 = 5,028.50/x
  3. Step 3: Cross multiply
    15,416.75x = 23,128.77 × 5,028.50
  4. Step 4: Simplify right side
    15,416.75x = 116,303,019.95
  5. Step 5: Solve for x
    x = 116,303,019.95/15,416.75
  6. Step 6: Final answer
    x = 7,543.94

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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.