Home / 21,988.42-32,982.64-5,348.35

Finding the Fourth Proportional to 21,988.42, 32,982.64 and 5,348.35

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Solution

The fourth proportional to 21,988.42, 32,982.64 and 5,348.35 is: 8,022.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,988.42 : 32,982.64 = 5,348.35 : x
  2. Step 2: Convert to fraction form
    21,988.42/32,982.64 = 5,348.35/x
  3. Step 3: Cross multiply
    21,988.42x = 32,982.64 × 5,348.35
  4. Step 4: Simplify right side
    21,988.42x = 176,402,605.15
  5. Step 5: Solve for x
    x = 176,402,605.15/21,988.42
  6. Step 6: Final answer
    x = 8,022.52

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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.