Home / 30,697.68-42,360.60-17,268.24

Finding the Fourth Proportional to 30,697.68, 42,360.60 and 17,268.24

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Solution

The fourth proportional to 30,697.68, 42,360.60 and 17,268.24 is: 23,828.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,697.68 : 42,360.60 = 17,268.24 : x
  2. Step 2: Convert to fraction form
    30,697.68/42,360.60 = 17,268.24/x
  3. Step 3: Cross multiply
    30,697.68x = 42,360.60 × 17,268.24
  4. Step 4: Simplify right side
    30,697.68x = 731,493,007.34
  5. Step 5: Solve for x
    x = 731,493,007.34/30,697.68
  6. Step 6: Final answer
    x = 23,828.93

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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.