Home / 25,981.68-35,846.26-15,899.60

Finding the Fourth Proportional to 25,981.68, 35,846.26 and 15,899.60

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Solution

The fourth proportional to 25,981.68, 35,846.26 and 15,899.60 is: 21,936.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,981.68 : 35,846.26 = 15,899.60 : x
  2. Step 2: Convert to fraction form
    25,981.68/35,846.26 = 15,899.60/x
  3. Step 3: Cross multiply
    25,981.68x = 35,846.26 × 15,899.60
  4. Step 4: Simplify right side
    25,981.68x = 569,941,195.50
  5. Step 5: Solve for x
    x = 569,941,195.50/25,981.68
  6. Step 6: Final answer
    x = 21,936.27

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Similar ratio
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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.