Home / 25,689.99-35,316.20-22,091.70

Finding the Fourth Proportional to 25,689.99, 35,316.20 and 22,091.70

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Solution

The fourth proportional to 25,689.99, 35,316.20 and 22,091.70 is: 30,369.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,689.99 : 35,316.20 = 22,091.70 : x
  2. Step 2: Convert to fraction form
    25,689.99/35,316.20 = 22,091.70/x
  3. Step 3: Cross multiply
    25,689.99x = 35,316.20 × 22,091.70
  4. Step 4: Simplify right side
    25,689.99x = 780,194,785.08
  5. Step 5: Solve for x
    x = 780,194,785.08/25,689.99
  6. Step 6: Final answer
    x = 30,369.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.