Home / 21,887.22-32,800.59-18,958.26

Finding the Fourth Proportional to 21,887.22, 32,800.59 and 18,958.26

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Solution

The fourth proportional to 21,887.22, 32,800.59 and 18,958.26 is: 28,411.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,887.22 : 32,800.59 = 18,958.26 : x
  2. Step 2: Convert to fraction form
    21,887.22/32,800.59 = 18,958.26/x
  3. Step 3: Cross multiply
    21,887.22x = 32,800.59 × 18,958.26
  4. Step 4: Simplify right side
    21,887.22x = 621,842,113.37
  5. Step 5: Solve for x
    x = 621,842,113.37/21,887.22
  6. Step 6: Final answer
    x = 28,411.20

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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.