Home / 27,052.80-40,579.20-17,721.60

Finding the Fourth Proportional to 27,052.80, 40,579.20 and 17,721.60

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Solution

The fourth proportional to 27,052.80, 40,579.20 and 17,721.60 is: 26,582.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,052.80 : 40,579.20 = 17,721.60 : x
  2. Step 2: Convert to fraction form
    27,052.80/40,579.20 = 17,721.60/x
  3. Step 3: Cross multiply
    27,052.80x = 40,579.20 × 17,721.60
  4. Step 4: Simplify right side
    27,052.80x = 719,128,350.72
  5. Step 5: Solve for x
    x = 719,128,350.72/27,052.80
  6. Step 6: Final answer
    x = 26,582.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.