Home / 21,607.40-32,411.10-14,234.60

Finding the Fourth Proportional to 21,607.40, 32,411.10 and 14,234.60

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Solution

The fourth proportional to 21,607.40, 32,411.10 and 14,234.60 is: 21,351.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,607.40 : 32,411.10 = 14,234.60 : x
  2. Step 2: Convert to fraction form
    21,607.40/32,411.10 = 14,234.60/x
  3. Step 3: Cross multiply
    21,607.40x = 32,411.10 × 14,234.60
  4. Step 4: Simplify right side
    21,607.40x = 461,359,044.06
  5. Step 5: Solve for x
    x = 461,359,044.06/21,607.40
  6. Step 6: Final answer
    x = 21,351.90

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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.