Home / 28,705.02-43,057.50-7,645.08

Finding the Fourth Proportional to 28,705.02, 43,057.50 and 7,645.08

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Solution

The fourth proportional to 28,705.02, 43,057.50 and 7,645.08 is: 11,467.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,705.02 : 43,057.50 = 7,645.08 : x
  2. Step 2: Convert to fraction form
    28,705.02/43,057.50 = 7,645.08/x
  3. Step 3: Cross multiply
    28,705.02x = 43,057.50 × 7,645.08
  4. Step 4: Simplify right side
    28,705.02x = 329,178,032.10
  5. Step 5: Solve for x
    x = 329,178,032.10/28,705.02
  6. Step 6: Final answer
    x = 11,467.61

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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.