Home / 25,100.25-34,638.63-15,674.28

Finding the Fourth Proportional to 25,100.25, 34,638.63 and 15,674.28

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Solution

The fourth proportional to 25,100.25, 34,638.63 and 15,674.28 is: 21,630.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,100.25 : 34,638.63 = 15,674.28 : x
  2. Step 2: Convert to fraction form
    25,100.25/34,638.63 = 15,674.28/x
  3. Step 3: Cross multiply
    25,100.25x = 34,638.63 × 15,674.28
  4. Step 4: Simplify right side
    25,100.25x = 542,935,585.44
  5. Step 5: Solve for x
    x = 542,935,585.44/25,100.25
  6. Step 6: Final answer
    x = 21,630.68

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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.