Home / 18,528.69-27,795.77-5,379.35

Finding the Fourth Proportional to 18,528.69, 27,795.77 and 5,379.35

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Solution

The fourth proportional to 18,528.69, 27,795.77 and 5,379.35 is: 8,069.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,528.69 : 27,795.77 = 5,379.35 : x
  2. Step 2: Convert to fraction form
    18,528.69/27,795.77 = 5,379.35/x
  3. Step 3: Cross multiply
    18,528.69x = 27,795.77 × 5,379.35
  4. Step 4: Simplify right side
    18,528.69x = 149,523,009.47
  5. Step 5: Solve for x
    x = 149,523,009.47/18,528.69
  6. Step 6: Final answer
    x = 8,069.81

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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.