Home / 25,515.81-35,200.44-17,009.66

Finding the Fourth Proportional to 25,515.81, 35,200.44 and 17,009.66

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Solution

The fourth proportional to 25,515.81, 35,200.44 and 17,009.66 is: 23,465.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,515.81 : 35,200.44 = 17,009.66 : x
  2. Step 2: Convert to fraction form
    25,515.81/35,200.44 = 17,009.66/x
  3. Step 3: Cross multiply
    25,515.81x = 35,200.44 × 17,009.66
  4. Step 4: Simplify right side
    25,515.81x = 598,747,604.25
  5. Step 5: Solve for x
    x = 598,747,604.25/25,515.81
  6. Step 6: Final answer
    x = 23,465.75

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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.