Home / 27,015.64-37,281.62-15,078.97

Finding the Fourth Proportional to 27,015.64, 37,281.62 and 15,078.97

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Solution

The fourth proportional to 27,015.64, 37,281.62 and 15,078.97 is: 20,809.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,015.64 : 37,281.62 = 15,078.97 : x
  2. Step 2: Convert to fraction form
    27,015.64/37,281.62 = 15,078.97/x
  3. Step 3: Cross multiply
    27,015.64x = 37,281.62 × 15,078.97
  4. Step 4: Simplify right side
    27,015.64x = 562,168,513.83
  5. Step 5: Solve for x
    x = 562,168,513.83/27,015.64
  6. Step 6: Final answer
    x = 20,809.00

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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.