Home / 25,403.94-35,074.76-15,847.56

Finding the Fourth Proportional to 25,403.94, 35,074.76 and 15,847.56

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Solution

The fourth proportional to 25,403.94, 35,074.76 and 15,847.56 is: 21,880.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,403.94 : 35,074.76 = 15,847.56 : x
  2. Step 2: Convert to fraction form
    25,403.94/35,074.76 = 15,847.56/x
  3. Step 3: Cross multiply
    25,403.94x = 35,074.76 × 15,847.56
  4. Step 4: Simplify right side
    25,403.94x = 555,849,284.35
  5. Step 5: Solve for x
    x = 555,849,284.35/25,403.94
  6. Step 6: Final answer
    x = 21,880.44

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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.