Home / 28,458.67-42,683.99-17,896.49

Finding the Fourth Proportional to 28,458.67, 42,683.99 and 17,896.49

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Solution

The fourth proportional to 28,458.67, 42,683.99 and 17,896.49 is: 26,842.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,458.67 : 42,683.99 = 17,896.49 : x
  2. Step 2: Convert to fraction form
    28,458.67/42,683.99 = 17,896.49/x
  3. Step 3: Cross multiply
    28,458.67x = 42,683.99 × 17,896.49
  4. Step 4: Simplify right side
    28,458.67x = 763,893,387.64
  5. Step 5: Solve for x
    x = 763,893,387.64/28,458.67
  6. Step 6: Final answer
    x = 26,842.21

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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.