Home / 26,987.12-37,242.39-15,051.21

Finding the Fourth Proportional to 26,987.12, 37,242.39 and 15,051.21

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Solution

The fourth proportional to 26,987.12, 37,242.39 and 15,051.21 is: 20,770.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,987.12 : 37,242.39 = 15,051.21 : x
  2. Step 2: Convert to fraction form
    26,987.12/37,242.39 = 15,051.21/x
  3. Step 3: Cross multiply
    26,987.12x = 37,242.39 × 15,051.21
  4. Step 4: Simplify right side
    26,987.12x = 560,543,032.79
  5. Step 5: Solve for x
    x = 560,543,032.79/26,987.12
  6. Step 6: Final answer
    x = 20,770.76

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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.