Home / 28,245.64-38,962.78-17,616.82

Finding the Fourth Proportional to 28,245.64, 38,962.78 and 17,616.82

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Solution

The fourth proportional to 28,245.64, 38,962.78 and 17,616.82 is: 24,301.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,245.64 : 38,962.78 = 17,616.82 : x
  2. Step 2: Convert to fraction form
    28,245.64/38,962.78 = 17,616.82/x
  3. Step 3: Cross multiply
    28,245.64x = 38,962.78 × 17,616.82
  4. Step 4: Simplify right side
    28,245.64x = 686,400,281.96
  5. Step 5: Solve for x
    x = 686,400,281.96/28,245.64
  6. Step 6: Final answer
    x = 24,301.11

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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.