Home / 20,258.94-30,288.54-17,173.46

Finding the Fourth Proportional to 20,258.94, 30,288.54 and 17,173.46

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Solution

The fourth proportional to 20,258.94, 30,288.54 and 17,173.46 is: 25,675.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,258.94 : 30,288.54 = 17,173.46 : x
  2. Step 2: Convert to fraction form
    20,258.94/30,288.54 = 17,173.46/x
  3. Step 3: Cross multiply
    20,258.94x = 30,288.54 × 17,173.46
  4. Step 4: Simplify right side
    20,258.94x = 520,159,030.15
  5. Step 5: Solve for x
    x = 520,159,030.15/20,258.94
  6. Step 6: Final answer
    x = 25,675.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.