Home / 27,807.69-38,374.74-15,232.44

Finding the Fourth Proportional to 27,807.69, 38,374.74 and 15,232.44

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Solution

The fourth proportional to 27,807.69, 38,374.74 and 15,232.44 is: 21,020.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,807.69 : 38,374.74 = 15,232.44 : x
  2. Step 2: Convert to fraction form
    27,807.69/38,374.74 = 15,232.44/x
  3. Step 3: Cross multiply
    27,807.69x = 38,374.74 × 15,232.44
  4. Step 4: Simplify right side
    27,807.69x = 584,540,924.57
  5. Step 5: Solve for x
    x = 584,540,924.57/27,807.69
  6. Step 6: Final answer
    x = 21,020.84

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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.