Home / 28,242.64-38,976.69-16,306.48

Finding the Fourth Proportional to 28,242.64, 38,976.69 and 16,306.48

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Solution

The fourth proportional to 28,242.64, 38,976.69 and 16,306.48 is: 22,504.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,242.64 : 38,976.69 = 16,306.48 : x
  2. Step 2: Convert to fraction form
    28,242.64/38,976.69 = 16,306.48/x
  3. Step 3: Cross multiply
    28,242.64x = 38,976.69 × 16,306.48
  4. Step 4: Simplify right side
    28,242.64x = 635,572,615.95
  5. Step 5: Solve for x
    x = 635,572,615.95/28,242.64
  6. Step 6: Final answer
    x = 22,504.01

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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.