Home / 28,013.26-38,656.28-16,076.30

Finding the Fourth Proportional to 28,013.26, 38,656.28 and 16,076.30

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Solution

The fourth proportional to 28,013.26, 38,656.28 and 16,076.30 is: 22,184.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,013.26 : 38,656.28 = 16,076.30 : x
  2. Step 2: Convert to fraction form
    28,013.26/38,656.28 = 16,076.30/x
  3. Step 3: Cross multiply
    28,013.26x = 38,656.28 × 16,076.30
  4. Step 4: Simplify right side
    28,013.26x = 621,449,954.16
  5. Step 5: Solve for x
    x = 621,449,954.16/28,013.26
  6. Step 6: Final answer
    x = 22,184.14

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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.