Home / 28,082.22-38,756.80-16,146.06

Finding the Fourth Proportional to 28,082.22, 38,756.80 and 16,146.06

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Solution

The fourth proportional to 28,082.22, 38,756.80 and 16,146.06 is: 22,283.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,082.22 : 38,756.80 = 16,146.06 : x
  2. Step 2: Convert to fraction form
    28,082.22/38,756.80 = 16,146.06/x
  3. Step 3: Cross multiply
    28,082.22x = 38,756.80 × 16,146.06
  4. Step 4: Simplify right side
    28,082.22x = 625,769,618.21
  5. Step 5: Solve for x
    x = 625,769,618.21/28,082.22
  6. Step 6: Final answer
    x = 22,283.48

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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.