Home / 28,497.57-39,331.43-19,294.95

Finding the Fourth Proportional to 28,497.57, 39,331.43 and 19,294.95

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Solution

The fourth proportional to 28,497.57, 39,331.43 and 19,294.95 is: 26,630.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,497.57 : 39,331.43 = 19,294.95 : x
  2. Step 2: Convert to fraction form
    28,497.57/39,331.43 = 19,294.95/x
  3. Step 3: Cross multiply
    28,497.57x = 39,331.43 × 19,294.95
  4. Step 4: Simplify right side
    28,497.57x = 758,897,902.00
  5. Step 5: Solve for x
    x = 758,897,902.00/28,497.57
  6. Step 6: Final answer
    x = 26,630.27

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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.