Home / 28,194.48-38,902.08-16,862.28

Finding the Fourth Proportional to 28,194.48, 38,902.08 and 16,862.28

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Solution

The fourth proportional to 28,194.48, 38,902.08 and 16,862.28 is: 23,266.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,194.48 : 38,902.08 = 16,862.28 : x
  2. Step 2: Convert to fraction form
    28,194.48/38,902.08 = 16,862.28/x
  3. Step 3: Cross multiply
    28,194.48x = 38,902.08 × 16,862.28
  4. Step 4: Simplify right side
    28,194.48x = 655,977,765.54
  5. Step 5: Solve for x
    x = 655,977,765.54/28,194.48
  6. Step 6: Final answer
    x = 23,266.18

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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.