Home / 28,325.13-42,449.43-10,785.39

Finding the Fourth Proportional to 28,325.13, 42,449.43 and 10,785.39

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Solution

The fourth proportional to 28,325.13, 42,449.43 and 10,785.39 is: 16,163.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,325.13 : 42,449.43 = 10,785.39 : x
  2. Step 2: Convert to fraction form
    28,325.13/42,449.43 = 10,785.39/x
  3. Step 3: Cross multiply
    28,325.13x = 42,449.43 × 10,785.39
  4. Step 4: Simplify right side
    28,325.13x = 457,833,789.92
  5. Step 5: Solve for x
    x = 457,833,789.92/28,325.13
  6. Step 6: Final answer
    x = 16,163.52

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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.