Home / 28,340.65-42,501.96-10,326.64

Finding the Fourth Proportional to 28,340.65, 42,501.96 and 10,326.64

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Solution

The fourth proportional to 28,340.65, 42,501.96 and 10,326.64 is: 15,486.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,340.65 : 42,501.96 = 10,326.64 : x
  2. Step 2: Convert to fraction form
    28,340.65/42,501.96 = 10,326.64/x
  3. Step 3: Cross multiply
    28,340.65x = 42,501.96 × 10,326.64
  4. Step 4: Simplify right side
    28,340.65x = 438,902,440.21
  5. Step 5: Solve for x
    x = 438,902,440.21/28,340.65
  6. Step 6: Final answer
    x = 15,486.68

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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.