Home / 21,980.60-32,932.26-18,493.58

Finding the Fourth Proportional to 21,980.60, 32,932.26 and 18,493.58

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Solution

The fourth proportional to 21,980.60, 32,932.26 and 18,493.58 is: 27,707.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,980.60 : 32,932.26 = 18,493.58 : x
  2. Step 2: Convert to fraction form
    21,980.60/32,932.26 = 18,493.58/x
  3. Step 3: Cross multiply
    21,980.60x = 32,932.26 × 18,493.58
  4. Step 4: Simplify right side
    21,980.60x = 609,035,384.89
  5. Step 5: Solve for x
    x = 609,035,384.89/21,980.60
  6. Step 6: Final answer
    x = 27,707.86

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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.