Home / 21,765.03-32,601.47-18,058.47

Finding the Fourth Proportional to 21,765.03, 32,601.47 and 18,058.47

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Solution

The fourth proportional to 21,765.03, 32,601.47 and 18,058.47 is: 27,049.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,765.03 : 32,601.47 = 18,058.47 : x
  2. Step 2: Convert to fraction form
    21,765.03/32,601.47 = 18,058.47/x
  3. Step 3: Cross multiply
    21,765.03x = 32,601.47 × 18,058.47
  4. Step 4: Simplify right side
    21,765.03x = 588,732,577.66
  5. Step 5: Solve for x
    x = 588,732,577.66/21,765.03
  6. Step 6: Final answer
    x = 27,049.47

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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.