Home / 28,465.98-42,704.46-8,741.04

Finding the Fourth Proportional to 28,465.98, 42,704.46 and 8,741.04

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Solution

The fourth proportional to 28,465.98, 42,704.46 and 8,741.04 is: 13,113.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,465.98 : 42,704.46 = 8,741.04 : x
  2. Step 2: Convert to fraction form
    28,465.98/42,704.46 = 8,741.04/x
  3. Step 3: Cross multiply
    28,465.98x = 42,704.46 × 8,741.04
  4. Step 4: Simplify right side
    28,465.98x = 373,281,393.04
  5. Step 5: Solve for x
    x = 373,281,393.04/28,465.98
  6. Step 6: Final answer
    x = 13,113.25

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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.