Home / 28,536.68-39,382.44-15,961.52

Finding the Fourth Proportional to 28,536.68, 39,382.44 and 15,961.52

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Solution

The fourth proportional to 28,536.68, 39,382.44 and 15,961.52 is: 22,027.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,536.68 : 39,382.44 = 15,961.52 : x
  2. Step 2: Convert to fraction form
    28,536.68/39,382.44 = 15,961.52/x
  3. Step 3: Cross multiply
    28,536.68x = 39,382.44 × 15,961.52
  4. Step 4: Simplify right side
    28,536.68x = 628,603,603.71
  5. Step 5: Solve for x
    x = 628,603,603.71/28,536.68
  6. Step 6: Final answer
    x = 22,027.92

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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.