Home / 28,856.76-43,288.86-10,135.44

Finding the Fourth Proportional to 28,856.76, 43,288.86 and 10,135.44

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Solution

The fourth proportional to 28,856.76, 43,288.86 and 10,135.44 is: 15,204.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,856.76 : 43,288.86 = 10,135.44 : x
  2. Step 2: Convert to fraction form
    28,856.76/43,288.86 = 10,135.44/x
  3. Step 3: Cross multiply
    28,856.76x = 43,288.86 × 10,135.44
  4. Step 4: Simplify right side
    28,856.76x = 438,751,643.20
  5. Step 5: Solve for x
    x = 438,751,643.20/28,856.76
  6. Step 6: Final answer
    x = 15,204.47

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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.