Home / 28,142.36-39,014.06-26,644.28

Finding the Fourth Proportional to 28,142.36, 39,014.06 and 26,644.28

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Solution

The fourth proportional to 28,142.36, 39,014.06 and 26,644.28 is: 36,937.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,142.36 : 39,014.06 = 26,644.28 : x
  2. Step 2: Convert to fraction form
    28,142.36/39,014.06 = 26,644.28/x
  3. Step 3: Cross multiply
    28,142.36x = 39,014.06 × 26,644.28
  4. Step 4: Simplify right side
    28,142.36x = 1,039,501,405.36
  5. Step 5: Solve for x
    x = 1,039,501,405.36/28,142.36
  6. Step 6: Final answer
    x = 36,937.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.