Home / 28,072.47-42,139.04-24,972.33

Finding the Fourth Proportional to 28,072.47, 42,139.04 and 24,972.33

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Solution

The fourth proportional to 28,072.47, 42,139.04 and 24,972.33 is: 37,485.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,072.47 : 42,139.04 = 24,972.33 : x
  2. Step 2: Convert to fraction form
    28,072.47/42,139.04 = 24,972.33/x
  3. Step 3: Cross multiply
    28,072.47x = 42,139.04 × 24,972.33
  4. Step 4: Simplify right side
    28,072.47x = 1,052,309,887.90
  5. Step 5: Solve for x
    x = 1,052,309,887.90/28,072.47
  6. Step 6: Final answer
    x = 37,485.48

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1.5x scale

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.