Home / 28,283.31-39,032.48-16,954.65

Finding the Fourth Proportional to 28,283.31, 39,032.48 and 16,954.65

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Solution

The fourth proportional to 28,283.31, 39,032.48 and 16,954.65 is: 23,398.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,283.31 : 39,032.48 = 16,954.65 : x
  2. Step 2: Convert to fraction form
    28,283.31/39,032.48 = 16,954.65/x
  3. Step 3: Cross multiply
    28,283.31x = 39,032.48 × 16,954.65
  4. Step 4: Simplify right side
    28,283.31x = 661,782,079.42
  5. Step 5: Solve for x
    x = 661,782,079.42/28,283.31
  6. Step 6: Final answer
    x = 23,398.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.