Home / 28,506.48-42,762.56-23,290.89

Finding the Fourth Proportional to 28,506.48, 42,762.56 and 23,290.89

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Solution

The fourth proportional to 28,506.48, 42,762.56 and 23,290.89 is: 34,938.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,506.48 : 42,762.56 = 23,290.89 : x
  2. Step 2: Convert to fraction form
    28,506.48/42,762.56 = 23,290.89/x
  3. Step 3: Cross multiply
    28,506.48x = 42,762.56 × 23,290.89
  4. Step 4: Simplify right side
    28,506.48x = 995,978,081.08
  5. Step 5: Solve for x
    x = 995,978,081.08/28,506.48
  6. Step 6: Final answer
    x = 34,938.66

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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.