Home / 27,164.29-40,738.16-18,784.67

Finding the Fourth Proportional to 27,164.29, 40,738.16 and 18,784.67

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Solution

The fourth proportional to 27,164.29, 40,738.16 and 18,784.67 is: 28,171.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,164.29 : 40,738.16 = 18,784.67 : x
  2. Step 2: Convert to fraction form
    27,164.29/40,738.16 = 18,784.67/x
  3. Step 3: Cross multiply
    27,164.29x = 40,738.16 × 18,784.67
  4. Step 4: Simplify right side
    27,164.29x = 765,252,798.08
  5. Step 5: Solve for x
    x = 765,252,798.08/27,164.29
  6. Step 6: Final answer
    x = 28,171.28

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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.