Home / 28,101.60-38,765.52-19,027.17

Finding the Fourth Proportional to 28,101.60, 38,765.52 and 19,027.17

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Solution

The fourth proportional to 28,101.60, 38,765.52 and 19,027.17 is: 26,247.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,101.60 : 38,765.52 = 19,027.17 : x
  2. Step 2: Convert to fraction form
    28,101.60/38,765.52 = 19,027.17/x
  3. Step 3: Cross multiply
    28,101.60x = 38,765.52 × 19,027.17
  4. Step 4: Simplify right side
    28,101.60x = 737,598,139.18
  5. Step 5: Solve for x
    x = 737,598,139.18/28,101.60
  6. Step 6: Final answer
    x = 26,247.55

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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.