Home / 27,364.86-37,763.28-15,427.62

Finding the Fourth Proportional to 27,364.86, 37,763.28 and 15,427.62

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Solution

The fourth proportional to 27,364.86, 37,763.28 and 15,427.62 is: 21,289.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,364.86 : 37,763.28 = 15,427.62 : x
  2. Step 2: Convert to fraction form
    27,364.86/37,763.28 = 15,427.62/x
  3. Step 3: Cross multiply
    27,364.86x = 37,763.28 × 15,427.62
  4. Step 4: Simplify right side
    27,364.86x = 582,597,533.79
  5. Step 5: Solve for x
    x = 582,597,533.79/27,364.86
  6. Step 6: Final answer
    x = 21,289.99

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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.