Home / 28,218.26-38,945.17-17,466.58

Finding the Fourth Proportional to 28,218.26, 38,945.17 and 17,466.58

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Solution

The fourth proportional to 28,218.26, 38,945.17 and 17,466.58 is: 24,106.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,218.26 : 38,945.17 = 17,466.58 : x
  2. Step 2: Convert to fraction form
    28,218.26/38,945.17 = 17,466.58/x
  3. Step 3: Cross multiply
    28,218.26x = 38,945.17 × 17,466.58
  4. Step 4: Simplify right side
    28,218.26x = 680,238,927.42
  5. Step 5: Solve for x
    x = 680,238,927.42/28,218.26
  6. Step 6: Final answer
    x = 24,106.34

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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.