Home / 29,232.72-40,331.60-17,890.40

Finding the Fourth Proportional to 29,232.72, 40,331.60 and 17,890.40

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Solution

The fourth proportional to 29,232.72, 40,331.60 and 17,890.40 is: 24,682.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,232.72 : 40,331.60 = 17,890.40 : x
  2. Step 2: Convert to fraction form
    29,232.72/40,331.60 = 17,890.40/x
  3. Step 3: Cross multiply
    29,232.72x = 40,331.60 × 17,890.40
  4. Step 4: Simplify right side
    29,232.72x = 721,548,456.64
  5. Step 5: Solve for x
    x = 721,548,456.64/29,232.72
  6. Step 6: Final answer
    x = 24,682.91

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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.