Home / 28,580.96-39,354.81-25,347.80

Finding the Fourth Proportional to 28,580.96, 39,354.81 and 25,347.80

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Solution

The fourth proportional to 28,580.96, 39,354.81 and 25,347.80 is: 34,902.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,580.96 : 39,354.81 = 25,347.80 : x
  2. Step 2: Convert to fraction form
    28,580.96/39,354.81 = 25,347.80/x
  3. Step 3: Cross multiply
    28,580.96x = 39,354.81 × 25,347.80
  4. Step 4: Simplify right side
    28,580.96x = 997,557,852.92
  5. Step 5: Solve for x
    x = 997,557,852.92/28,580.96
  6. Step 6: Final answer
    x = 34,902.88

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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.