Home / 30,627.68-42,265.70-17,015.43

Finding the Fourth Proportional to 30,627.68, 42,265.70 and 17,015.43

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Solution

The fourth proportional to 30,627.68, 42,265.70 and 17,015.43 is: 23,481.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,627.68 : 42,265.70 = 17,015.43 : x
  2. Step 2: Convert to fraction form
    30,627.68/42,265.70 = 17,015.43/x
  3. Step 3: Cross multiply
    30,627.68x = 42,265.70 × 17,015.43
  4. Step 4: Simplify right side
    30,627.68x = 719,168,840.36
  5. Step 5: Solve for x
    x = 719,168,840.36/30,627.68
  6. Step 6: Final answer
    x = 23,481.01

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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.