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Finding the Fourth Proportional to 21,492.98, 32,201.35 and 18,341.00

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Solution

The fourth proportional to 21,492.98, 32,201.35 and 18,341.00 is: 27,478.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,492.98 : 32,201.35 = 18,341.00 : x
  2. Step 2: Convert to fraction form
    21,492.98/32,201.35 = 18,341.00/x
  3. Step 3: Cross multiply
    21,492.98x = 32,201.35 × 18,341.00
  4. Step 4: Simplify right side
    21,492.98x = 590,604,753.49
  5. Step 5: Solve for x
    x = 590,604,753.49/21,492.98
  6. Step 6: Final answer
    x = 27,478.97

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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.