Home / 27,962.56-38,589.40-16,028.20

Finding the Fourth Proportional to 27,962.56, 38,589.40 and 16,028.20

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Solution

The fourth proportional to 27,962.56, 38,589.40 and 16,028.20 is: 22,119.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,962.56 : 38,589.40 = 16,028.20 : x
  2. Step 2: Convert to fraction form
    27,962.56/38,589.40 = 16,028.20/x
  3. Step 3: Cross multiply
    27,962.56x = 38,589.40 × 16,028.20
  4. Step 4: Simplify right side
    27,962.56x = 618,518,621.08
  5. Step 5: Solve for x
    x = 618,518,621.08/27,962.56
  6. Step 6: Final answer
    x = 22,119.53

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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.