Home / 27,621.54-38,106.15-17,005.02

Finding the Fourth Proportional to 27,621.54, 38,106.15 and 17,005.02

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Solution

The fourth proportional to 27,621.54, 38,106.15 and 17,005.02 is: 23,459.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,621.54 : 38,106.15 = 17,005.02 : x
  2. Step 2: Convert to fraction form
    27,621.54/38,106.15 = 17,005.02/x
  3. Step 3: Cross multiply
    27,621.54x = 38,106.15 × 17,005.02
  4. Step 4: Simplify right side
    27,621.54x = 647,995,842.87
  5. Step 5: Solve for x
    x = 647,995,842.87/27,621.54
  6. Step 6: Final answer
    x = 23,459.80

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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.