Home / 21,348.60-32,037.30-9,655.80

Finding the Fourth Proportional to 21,348.60, 32,037.30 and 9,655.80

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Solution

The fourth proportional to 21,348.60, 32,037.30 and 9,655.80 is: 14,490.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,348.60 : 32,037.30 = 9,655.80 : x
  2. Step 2: Convert to fraction form
    21,348.60/32,037.30 = 9,655.80/x
  3. Step 3: Cross multiply
    21,348.60x = 32,037.30 × 9,655.80
  4. Step 4: Simplify right side
    21,348.60x = 309,345,761.34
  5. Step 5: Solve for x
    x = 309,345,761.34/21,348.60
  6. Step 6: Final answer
    x = 14,490.21

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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.