Home / 28,076.61-38,923.15-26,578.52

Finding the Fourth Proportional to 28,076.61, 38,923.15 and 26,578.52

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Solution

The fourth proportional to 28,076.61, 38,923.15 and 26,578.52 is: 36,846.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,076.61 : 38,923.15 = 26,578.52 : x
  2. Step 2: Convert to fraction form
    28,076.61/38,923.15 = 26,578.52/x
  3. Step 3: Cross multiply
    28,076.61x = 38,923.15 × 26,578.52
  4. Step 4: Simplify right side
    28,076.61x = 1,034,519,720.74
  5. Step 5: Solve for x
    x = 1,034,519,720.74/28,076.61
  6. Step 6: Final answer
    x = 36,846.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.