Home / 28,013.34-38,656.01-16,076.42

Finding the Fourth Proportional to 28,013.34, 38,656.01 and 16,076.42

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Solution

The fourth proportional to 28,013.34, 38,656.01 and 16,076.42 is: 22,184.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,013.34 : 38,656.01 = 16,076.42 : x
  2. Step 2: Convert to fraction form
    28,013.34/38,656.01 = 16,076.42/x
  3. Step 3: Cross multiply
    28,013.34x = 38,656.01 × 16,076.42
  4. Step 4: Simplify right side
    28,013.34x = 621,449,978.62
  5. Step 5: Solve for x
    x = 621,449,978.62/28,013.34
  6. Step 6: Final answer
    x = 22,184.07

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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.