Home / 28,236.63-38,973.65-19,177.34

Finding the Fourth Proportional to 28,236.63, 38,973.65 and 19,177.34

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Solution

The fourth proportional to 28,236.63, 38,973.65 and 19,177.34 is: 26,469.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,236.63 : 38,973.65 = 19,177.34 : x
  2. Step 2: Convert to fraction form
    28,236.63/38,973.65 = 19,177.34/x
  3. Step 3: Cross multiply
    28,236.63x = 38,973.65 × 19,177.34
  4. Step 4: Simplify right side
    28,236.63x = 747,410,646.34
  5. Step 5: Solve for x
    x = 747,410,646.34/28,236.63
  6. Step 6: Final answer
    x = 26,469.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.