Home / 28,817.88-39,801.47-19,370.04

Finding the Fourth Proportional to 28,817.88, 39,801.47 and 19,370.04

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Solution

The fourth proportional to 28,817.88, 39,801.47 and 19,370.04 is: 26,752.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,817.88 : 39,801.47 = 19,370.04 : x
  2. Step 2: Convert to fraction form
    28,817.88/39,801.47 = 19,370.04/x
  3. Step 3: Cross multiply
    28,817.88x = 39,801.47 × 19,370.04
  4. Step 4: Simplify right side
    28,817.88x = 770,956,065.96
  5. Step 5: Solve for x
    x = 770,956,065.96/28,817.88
  6. Step 6: Final answer
    x = 26,752.70

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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.