Home / 20,593.49-28,422.06-13,040.53

Finding the Fourth Proportional to 20,593.49, 28,422.06 and 13,040.53

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Solution

The fourth proportional to 20,593.49, 28,422.06 and 13,040.53 is: 17,997.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,593.49 : 28,422.06 = 13,040.53 : x
  2. Step 2: Convert to fraction form
    20,593.49/28,422.06 = 13,040.53/x
  3. Step 3: Cross multiply
    20,593.49x = 28,422.06 × 13,040.53
  4. Step 4: Simplify right side
    20,593.49x = 370,638,726.09
  5. Step 5: Solve for x
    x = 370,638,726.09/20,593.49
  6. Step 6: Final answer
    x = 17,997.86

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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.