Home / 27,592.44-38,065.74-16,978.20

Finding the Fourth Proportional to 27,592.44, 38,065.74 and 16,978.20

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Solution

The fourth proportional to 27,592.44, 38,065.74 and 16,978.20 is: 23,422.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,592.44 : 38,065.74 = 16,978.20 : x
  2. Step 2: Convert to fraction form
    27,592.44/38,065.74 = 16,978.20/x
  3. Step 3: Cross multiply
    27,592.44x = 38,065.74 × 16,978.20
  4. Step 4: Simplify right side
    27,592.44x = 646,287,746.87
  5. Step 5: Solve for x
    x = 646,287,746.87/27,592.44
  6. Step 6: Final answer
    x = 23,422.64

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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.