Home / 25,867.44-35,697.02-15,119.70

Finding the Fourth Proportional to 25,867.44, 35,697.02 and 15,119.70

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Solution

The fourth proportional to 25,867.44, 35,697.02 and 15,119.70 is: 20,865.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,867.44 : 35,697.02 = 15,119.70 : x
  2. Step 2: Convert to fraction form
    25,867.44/35,697.02 = 15,119.70/x
  3. Step 3: Cross multiply
    25,867.44x = 35,697.02 × 15,119.70
  4. Step 4: Simplify right side
    25,867.44x = 539,728,271.09
  5. Step 5: Solve for x
    x = 539,728,271.09/25,867.44
  6. Step 6: Final answer
    x = 20,865.16

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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.