Home / 26,986.03-37,250.99-20,291.10

Finding the Fourth Proportional to 26,986.03, 37,250.99 and 20,291.10

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Solution

The fourth proportional to 26,986.03, 37,250.99 and 20,291.10 is: 28,009.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,986.03 : 37,250.99 = 20,291.10 : x
  2. Step 2: Convert to fraction form
    26,986.03/37,250.99 = 20,291.10/x
  3. Step 3: Cross multiply
    26,986.03x = 37,250.99 × 20,291.10
  4. Step 4: Simplify right side
    26,986.03x = 755,863,563.19
  5. Step 5: Solve for x
    x = 755,863,563.19/26,986.03
  6. Step 6: Final answer
    x = 28,009.44

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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.