Home / 28,485.14-42,680.12-23,502.96

Finding the Fourth Proportional to 28,485.14, 42,680.12 and 23,502.96

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Solution

The fourth proportional to 28,485.14, 42,680.12 and 23,502.96 is: 35,215.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,485.14 : 42,680.12 = 23,502.96 : x
  2. Step 2: Convert to fraction form
    28,485.14/42,680.12 = 23,502.96/x
  3. Step 3: Cross multiply
    28,485.14x = 42,680.12 × 23,502.96
  4. Step 4: Simplify right side
    28,485.14x = 1,003,109,035.64
  5. Step 5: Solve for x
    x = 1,003,109,035.64/28,485.14
  6. Step 6: Final answer
    x = 35,215.18

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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.