Home / 28,863.10-43,273.05-15,730.30

Finding the Fourth Proportional to 28,863.10, 43,273.05 and 15,730.30

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Solution

The fourth proportional to 28,863.10, 43,273.05 and 15,730.30 is: 23,583.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,863.10 : 43,273.05 = 15,730.30 : x
  2. Step 2: Convert to fraction form
    28,863.10/43,273.05 = 15,730.30/x
  3. Step 3: Cross multiply
    28,863.10x = 43,273.05 × 15,730.30
  4. Step 4: Simplify right side
    28,863.10x = 680,698,058.42
  5. Step 5: Solve for x
    x = 680,698,058.42/28,863.10
  6. Step 6: Final answer
    x = 23,583.68

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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.