Home / 28,677.16-43,015.74-12,037.24

Finding the Fourth Proportional to 28,677.16, 43,015.74 and 12,037.24

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Solution

The fourth proportional to 28,677.16, 43,015.74 and 12,037.24 is: 18,055.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,677.16 : 43,015.74 = 12,037.24 : x
  2. Step 2: Convert to fraction form
    28,677.16/43,015.74 = 12,037.24/x
  3. Step 3: Cross multiply
    28,677.16x = 43,015.74 × 12,037.24
  4. Step 4: Simplify right side
    28,677.16x = 517,790,786.16
  5. Step 5: Solve for x
    x = 517,790,786.16/28,677.16
  6. Step 6: Final answer
    x = 18,055.86

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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.