Home / 28,876.32-43,311.69-19,576.14

Finding the Fourth Proportional to 28,876.32, 43,311.69 and 19,576.14

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Solution

The fourth proportional to 28,876.32, 43,311.69 and 19,576.14 is: 29,362.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,876.32 : 43,311.69 = 19,576.14 : x
  2. Step 2: Convert to fraction form
    28,876.32/43,311.69 = 19,576.14/x
  3. Step 3: Cross multiply
    28,876.32x = 43,311.69 × 19,576.14
  4. Step 4: Simplify right side
    28,876.32x = 847,875,707.08
  5. Step 5: Solve for x
    x = 847,875,707.08/28,876.32
  6. Step 6: Final answer
    x = 29,362.32

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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.