Home / 21,379.02-32,068.77-6,587.82

Finding the Fourth Proportional to 21,379.02, 32,068.77 and 6,587.82

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Solution

The fourth proportional to 21,379.02, 32,068.77 and 6,587.82 is: 9,881.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,379.02 : 32,068.77 = 6,587.82 : x
  2. Step 2: Convert to fraction form
    21,379.02/32,068.77 = 6,587.82/x
  3. Step 3: Cross multiply
    21,379.02x = 32,068.77 × 6,587.82
  4. Step 4: Simplify right side
    21,379.02x = 211,263,284.38
  5. Step 5: Solve for x
    x = 211,263,284.38/21,379.02
  6. Step 6: Final answer
    x = 9,881.80

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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.