Home / 27,015.17-37,280.97-15,078.51

Finding the Fourth Proportional to 27,015.17, 37,280.97 and 15,078.51

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Solution

The fourth proportional to 27,015.17, 37,280.97 and 15,078.51 is: 20,808.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,015.17 : 37,280.97 = 15,078.51 : x
  2. Step 2: Convert to fraction form
    27,015.17/37,280.97 = 15,078.51/x
  3. Step 3: Cross multiply
    27,015.17x = 37,280.97 × 15,078.51
  4. Step 4: Simplify right side
    27,015.17x = 562,141,478.95
  5. Step 5: Solve for x
    x = 562,141,478.95/27,015.17
  6. Step 6: Final answer
    x = 20,808.37

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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.