Home / 25,735.20-35,518.68-15,127.44

Finding the Fourth Proportional to 25,735.20, 35,518.68 and 15,127.44

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Solution

The fourth proportional to 25,735.20, 35,518.68 and 15,127.44 is: 20,878.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,735.20 : 35,518.68 = 15,127.44 : x
  2. Step 2: Convert to fraction form
    25,735.20/35,518.68 = 15,127.44/x
  3. Step 3: Cross multiply
    25,735.20x = 35,518.68 × 15,127.44
  4. Step 4: Simplify right side
    25,735.20x = 537,306,700.58
  5. Step 5: Solve for x
    x = 537,306,700.58/25,735.20
  6. Step 6: Final answer
    x = 20,878.28

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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.