Home / 28,973.80-43,460.70-25,172.20

Finding the Fourth Proportional to 28,973.80, 43,460.70 and 25,172.20

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Solution

The fourth proportional to 28,973.80, 43,460.70 and 25,172.20 is: 37,758.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,973.80 : 43,460.70 = 25,172.20 : x
  2. Step 2: Convert to fraction form
    28,973.80/43,460.70 = 25,172.20/x
  3. Step 3: Cross multiply
    28,973.80x = 43,460.70 × 25,172.20
  4. Step 4: Simplify right side
    28,973.80x = 1,094,001,432.54
  5. Step 5: Solve for x
    x = 1,094,001,432.54/28,973.80
  6. Step 6: Final answer
    x = 37,758.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.