Home / 28,988.23-43,481.77-9,266.77

Finding the Fourth Proportional to 28,988.23, 43,481.77 and 9,266.77

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Solution

The fourth proportional to 28,988.23, 43,481.77 and 9,266.77 is: 13,899.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,988.23 : 43,481.77 = 9,266.77 : x
  2. Step 2: Convert to fraction form
    28,988.23/43,481.77 = 9,266.77/x
  3. Step 3: Cross multiply
    28,988.23x = 43,481.77 × 9,266.77
  4. Step 4: Simplify right side
    28,988.23x = 402,935,474.69
  5. Step 5: Solve for x
    x = 402,935,474.69/28,988.23
  6. Step 6: Final answer
    x = 13,899.97

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1.5x scale

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.