Home / 20,952.37-28,955.76-17,169.58

Finding the Fourth Proportional to 20,952.37, 28,955.76 and 17,169.58

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Solution

The fourth proportional to 20,952.37, 28,955.76 and 17,169.58 is: 23,728.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,952.37 : 28,955.76 = 17,169.58 : x
  2. Step 2: Convert to fraction form
    20,952.37/28,955.76 = 17,169.58/x
  3. Step 3: Cross multiply
    20,952.37x = 28,955.76 × 17,169.58
  4. Step 4: Simplify right side
    20,952.37x = 497,158,237.78
  5. Step 5: Solve for x
    x = 497,158,237.78/20,952.37
  6. Step 6: Final answer
    x = 23,728.02

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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.