Home / 28,688.12-43,048.82-12,046.73

Finding the Fourth Proportional to 28,688.12, 43,048.82 and 12,046.73

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Solution

The fourth proportional to 28,688.12, 43,048.82 and 12,046.73 is: 18,077.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,688.12 : 43,048.82 = 12,046.73 : x
  2. Step 2: Convert to fraction form
    28,688.12/43,048.82 = 12,046.73/x
  3. Step 3: Cross multiply
    28,688.12x = 43,048.82 × 12,046.73
  4. Step 4: Simplify right side
    28,688.12x = 518,597,258.47
  5. Step 5: Solve for x
    x = 518,597,258.47/28,688.12
  6. Step 6: Final answer
    x = 18,077.07

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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.