Home / 21,440.06-32,160.73-18,300.27

Finding the Fourth Proportional to 21,440.06, 32,160.73 and 18,300.27

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Solution

The fourth proportional to 21,440.06, 32,160.73 and 18,300.27 is: 27,450.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,440.06 : 32,160.73 = 18,300.27 : x
  2. Step 2: Convert to fraction form
    21,440.06/32,160.73 = 18,300.27/x
  3. Step 3: Cross multiply
    21,440.06x = 32,160.73 × 18,300.27
  4. Step 4: Simplify right side
    21,440.06x = 588,549,970.66
  5. Step 5: Solve for x
    x = 588,549,970.66/21,440.06
  6. Step 6: Final answer
    x = 27,450.94

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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.