Home / 28,026.21-38,654.29-17,955.58

Finding the Fourth Proportional to 28,026.21, 38,654.29 and 17,955.58

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Solution

The fourth proportional to 28,026.21, 38,654.29 and 17,955.58 is: 24,764.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,026.21 : 38,654.29 = 17,955.58 : x
  2. Step 2: Convert to fraction form
    28,026.21/38,654.29 = 17,955.58/x
  3. Step 3: Cross multiply
    28,026.21x = 38,654.29 × 17,955.58
  4. Step 4: Simplify right side
    28,026.21x = 694,060,196.44
  5. Step 5: Solve for x
    x = 694,060,196.44/28,026.21
  6. Step 6: Final answer
    x = 24,764.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.