Home / 28,027.21-38,655.67-17,956.58

Finding the Fourth Proportional to 28,027.21, 38,655.67 and 17,956.58

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Solution

The fourth proportional to 28,027.21, 38,655.67 and 17,956.58 is: 24,766.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,027.21 : 38,655.67 = 17,956.58 : x
  2. Step 2: Convert to fraction form
    28,027.21/38,655.67 = 17,956.58/x
  3. Step 3: Cross multiply
    28,027.21x = 38,655.67 × 17,956.58
  4. Step 4: Simplify right side
    28,027.21x = 694,123,630.81
  5. Step 5: Solve for x
    x = 694,123,630.81/28,027.21
  6. Step 6: Final answer
    x = 24,766.06

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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.