Home / 28,898.82-43,347.83-9,177.08

Finding the Fourth Proportional to 28,898.82, 43,347.83 and 9,177.08

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Solution

The fourth proportional to 28,898.82, 43,347.83 and 9,177.08 is: 13,765.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,898.82 : 43,347.83 = 9,177.08 : x
  2. Step 2: Convert to fraction form
    28,898.82/43,347.83 = 9,177.08/x
  3. Step 3: Cross multiply
    28,898.82x = 43,347.83 × 9,177.08
  4. Step 4: Simplify right side
    28,898.82x = 397,806,241.11
  5. Step 5: Solve for x
    x = 397,806,241.11/28,898.82
  6. Step 6: Final answer
    x = 13,765.48

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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.