Home / 20,630.08-28,437.24-17,266.96

Finding the Fourth Proportional to 20,630.08, 28,437.24 and 17,266.96

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Solution

The fourth proportional to 20,630.08, 28,437.24 and 17,266.96 is: 23,801.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,630.08 : 28,437.24 = 17,266.96 : x
  2. Step 2: Convert to fraction form
    20,630.08/28,437.24 = 17,266.96/x
  3. Step 3: Cross multiply
    20,630.08x = 28,437.24 × 17,266.96
  4. Step 4: Simplify right side
    20,630.08x = 491,024,685.59
  5. Step 5: Solve for x
    x = 491,024,685.59/20,630.08
  6. Step 6: Final answer
    x = 23,801.40

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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.