Home / 21,968.06-32,970.92-8,829.86

Finding the Fourth Proportional to 21,968.06, 32,970.92 and 8,829.86

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Solution

The fourth proportional to 21,968.06, 32,970.92 and 8,829.86 is: 13,252.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,968.06 : 32,970.92 = 8,829.86 : x
  2. Step 2: Convert to fraction form
    21,968.06/32,970.92 = 8,829.86/x
  3. Step 3: Cross multiply
    21,968.06x = 32,970.92 × 8,829.86
  4. Step 4: Simplify right side
    21,968.06x = 291,128,398.67
  5. Step 5: Solve for x
    x = 291,128,398.67/21,968.06
  6. Step 6: Final answer
    x = 13,252.35

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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.