Home / 26,985.15-37,239.73-15,049.26

Finding the Fourth Proportional to 26,985.15, 37,239.73 and 15,049.26

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Solution

The fourth proportional to 26,985.15, 37,239.73 and 15,049.26 is: 20,768.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,985.15 : 37,239.73 = 15,049.26 : x
  2. Step 2: Convert to fraction form
    26,985.15/37,239.73 = 15,049.26/x
  3. Step 3: Cross multiply
    26,985.15x = 37,239.73 × 15,049.26
  4. Step 4: Simplify right side
    26,985.15x = 560,430,379.10
  5. Step 5: Solve for x
    x = 560,430,379.10/26,985.15
  6. Step 6: Final answer
    x = 20,768.10

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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.