Home / 30,457.03-42,025.27-17,028.39

Finding the Fourth Proportional to 30,457.03, 42,025.27 and 17,028.39

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Solution

The fourth proportional to 30,457.03, 42,025.27 and 17,028.39 is: 23,496.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,457.03 : 42,025.27 = 17,028.39 : x
  2. Step 2: Convert to fraction form
    30,457.03/42,025.27 = 17,028.39/x
  3. Step 3: Cross multiply
    30,457.03x = 42,025.27 × 17,028.39
  4. Step 4: Simplify right side
    30,457.03x = 715,622,687.42
  5. Step 5: Solve for x
    x = 715,622,687.42/30,457.03
  6. Step 6: Final answer
    x = 23,496.14

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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.