Home / 28,877.96-39,853.90-22,958.48

Finding the Fourth Proportional to 28,877.96, 39,853.90 and 22,958.48

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Solution

The fourth proportional to 28,877.96, 39,853.90 and 22,958.48 is: 31,684.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,877.96 : 39,853.90 = 22,958.48 : x
  2. Step 2: Convert to fraction form
    28,877.96/39,853.90 = 22,958.48/x
  3. Step 3: Cross multiply
    28,877.96x = 39,853.90 × 22,958.48
  4. Step 4: Simplify right side
    28,877.96x = 914,984,966.07
  5. Step 5: Solve for x
    x = 914,984,966.07/28,877.96
  6. Step 6: Final answer
    x = 31,684.54

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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.