Home / 26,975.78-37,228.20-15,039.08

Finding the Fourth Proportional to 26,975.78, 37,228.20 and 15,039.08

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Solution

The fourth proportional to 26,975.78, 37,228.20 and 15,039.08 is: 20,754.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,975.78 : 37,228.20 = 15,039.08 : x
  2. Step 2: Convert to fraction form
    26,975.78/37,228.20 = 15,039.08/x
  3. Step 3: Cross multiply
    26,975.78x = 37,228.20 × 15,039.08
  4. Step 4: Simplify right side
    26,975.78x = 559,877,878.06
  5. Step 5: Solve for x
    x = 559,877,878.06/26,975.78
  6. Step 6: Final answer
    x = 20,754.84

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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.