Home / 28,763.39-39,705.73-19,337.42

Finding the Fourth Proportional to 28,763.39, 39,705.73 and 19,337.42

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Solution

The fourth proportional to 28,763.39, 39,705.73 and 19,337.42 is: 26,693.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,763.39 : 39,705.73 = 19,337.42 : x
  2. Step 2: Convert to fraction form
    28,763.39/39,705.73 = 19,337.42/x
  3. Step 3: Cross multiply
    28,763.39x = 39,705.73 × 19,337.42
  4. Step 4: Simplify right side
    28,763.39x = 767,806,280.73
  5. Step 5: Solve for x
    x = 767,806,280.73/28,763.39
  6. Step 6: Final answer
    x = 26,693.87

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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.