Home / 26,985.23-37,249.86-20,290.29

Finding the Fourth Proportional to 26,985.23, 37,249.86 and 20,290.29

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Solution

The fourth proportional to 26,985.23, 37,249.86 and 20,290.29 is: 28,008.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,985.23 : 37,249.86 = 20,290.29 : x
  2. Step 2: Convert to fraction form
    26,985.23/37,249.86 = 20,290.29/x
  3. Step 3: Cross multiply
    26,985.23x = 37,249.86 × 20,290.29
  4. Step 4: Simplify right side
    26,985.23x = 755,810,461.86
  5. Step 5: Solve for x
    x = 755,810,461.86/26,985.23
  6. Step 6: Final answer
    x = 28,008.31

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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.