Home / 21,460.34-32,208.96-18,673.98

Finding the Fourth Proportional to 21,460.34, 32,208.96 and 18,673.98

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Solution

The fourth proportional to 21,460.34, 32,208.96 and 18,673.98 is: 28,027.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,460.34 : 32,208.96 = 18,673.98 : x
  2. Step 2: Convert to fraction form
    21,460.34/32,208.96 = 18,673.98/x
  3. Step 3: Cross multiply
    21,460.34x = 32,208.96 × 18,673.98
  4. Step 4: Simplify right side
    21,460.34x = 601,469,424.10
  5. Step 5: Solve for x
    x = 601,469,424.10/21,460.34
  6. Step 6: Final answer
    x = 28,027.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.