Home / 21,484.02-32,227.58-8,991.47

Finding the Fourth Proportional to 21,484.02, 32,227.58 and 8,991.47

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Solution

The fourth proportional to 21,484.02, 32,227.58 and 8,991.47 is: 13,487.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,484.02 : 32,227.58 = 8,991.47 : x
  2. Step 2: Convert to fraction form
    21,484.02/32,227.58 = 8,991.47/x
  3. Step 3: Cross multiply
    21,484.02x = 32,227.58 × 8,991.47
  4. Step 4: Simplify right side
    21,484.02x = 289,773,482.22
  5. Step 5: Solve for x
    x = 289,773,482.22/21,484.02
  6. Step 6: Final answer
    x = 13,487.86

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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.