Home / 28,082.22-38,753.16-15,335.37

Finding the Fourth Proportional to 28,082.22, 38,753.16 and 15,335.37

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Solution

The fourth proportional to 28,082.22, 38,753.16 and 15,335.37 is: 21,162.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,082.22 : 38,753.16 = 15,335.37 : x
  2. Step 2: Convert to fraction form
    28,082.22/38,753.16 = 15,335.37/x
  3. Step 3: Cross multiply
    28,082.22x = 38,753.16 × 15,335.37
  4. Step 4: Simplify right side
    28,082.22x = 594,294,047.27
  5. Step 5: Solve for x
    x = 594,294,047.27/28,082.22
  6. Step 6: Final answer
    x = 21,162.64

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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.