Home / 21,765.34-30,003.51-17,041.42

Finding the Fourth Proportional to 21,765.34, 30,003.51 and 17,041.42

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Solution

The fourth proportional to 21,765.34, 30,003.51 and 17,041.42 is: 23,491.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,765.34 : 30,003.51 = 17,041.42 : x
  2. Step 2: Convert to fraction form
    21,765.34/30,003.51 = 17,041.42/x
  3. Step 3: Cross multiply
    21,765.34x = 30,003.51 × 17,041.42
  4. Step 4: Simplify right side
    21,765.34x = 511,302,415.38
  5. Step 5: Solve for x
    x = 511,302,415.38/21,765.34
  6. Step 6: Final answer
    x = 23,491.59

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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.