Home / 28,650.03-39,528.93-18,578.88

Finding the Fourth Proportional to 28,650.03, 39,528.93 and 18,578.88

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Solution

The fourth proportional to 28,650.03, 39,528.93 and 18,578.88 is: 25,633.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,650.03 : 39,528.93 = 18,578.88 : x
  2. Step 2: Convert to fraction form
    28,650.03/39,528.93 = 18,578.88/x
  3. Step 3: Cross multiply
    28,650.03x = 39,528.93 × 18,578.88
  4. Step 4: Simplify right side
    28,650.03x = 734,403,247.00
  5. Step 5: Solve for x
    x = 734,403,247.00/28,650.03
  6. Step 6: Final answer
    x = 25,633.59

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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.