Home / 27,015.68-37,285.16-15,081.50

Finding the Fourth Proportional to 27,015.68, 37,285.16 and 15,081.50

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Solution

The fourth proportional to 27,015.68, 37,285.16 and 15,081.50 is: 20,814.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,015.68 : 37,285.16 = 15,081.50 : x
  2. Step 2: Convert to fraction form
    27,015.68/37,285.16 = 15,081.50/x
  3. Step 3: Cross multiply
    27,015.68x = 37,285.16 × 15,081.50
  4. Step 4: Simplify right side
    27,015.68x = 562,315,878.71
  5. Step 5: Solve for x
    x = 562,315,878.71/27,015.68
  6. Step 6: Final answer
    x = 20,814.43

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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.