Home / 21,333.51-32,000.31-8,850.18

Finding the Fourth Proportional to 21,333.51, 32,000.31 and 8,850.18

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Solution

The fourth proportional to 21,333.51, 32,000.31 and 8,850.18 is: 13,275.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,333.51 : 32,000.31 = 8,850.18 : x
  2. Step 2: Convert to fraction form
    21,333.51/32,000.31 = 8,850.18/x
  3. Step 3: Cross multiply
    21,333.51x = 32,000.31 × 8,850.18
  4. Step 4: Simplify right side
    21,333.51x = 283,208,503.56
  5. Step 5: Solve for x
    x = 283,208,503.56/21,333.51
  6. Step 6: Final answer
    x = 13,275.29

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1.5x scale

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.