Home / 28,489.24-42,659.22-18,600.76

Finding the Fourth Proportional to 28,489.24, 42,659.22 and 18,600.76

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Solution

The fourth proportional to 28,489.24, 42,659.22 and 18,600.76 is: 27,852.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,489.24 : 42,659.22 = 18,600.76 : x
  2. Step 2: Convert to fraction form
    28,489.24/42,659.22 = 18,600.76/x
  3. Step 3: Cross multiply
    28,489.24x = 42,659.22 × 18,600.76
  4. Step 4: Simplify right side
    28,489.24x = 793,493,913.01
  5. Step 5: Solve for x
    x = 793,493,913.01/28,489.24
  6. Step 6: Final answer
    x = 27,852.41

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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.