Home / 21,971.90-32,966.48-9,651.26

Finding the Fourth Proportional to 21,971.90, 32,966.48 and 9,651.26

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Solution

The fourth proportional to 21,971.90, 32,966.48 and 9,651.26 is: 14,480.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,971.90 : 32,966.48 = 9,651.26 : x
  2. Step 2: Convert to fraction form
    21,971.90/32,966.48 = 9,651.26/x
  3. Step 3: Cross multiply
    21,971.90x = 32,966.48 × 9,651.26
  4. Step 4: Simplify right side
    21,971.90x = 318,168,069.76
  5. Step 5: Solve for x
    x = 318,168,069.76/21,971.90
  6. Step 6: Final answer
    x = 14,480.68

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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.