Home / 28,027.09-38,655.50-17,956.46

Finding the Fourth Proportional to 28,027.09, 38,655.50 and 17,956.46

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Solution

The fourth proportional to 28,027.09, 38,655.50 and 17,956.46 is: 24,765.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,027.09 : 38,655.50 = 17,956.46 : x
  2. Step 2: Convert to fraction form
    28,027.09/38,655.50 = 17,956.46/x
  3. Step 3: Cross multiply
    28,027.09x = 38,655.50 × 17,956.46
  4. Step 4: Simplify right side
    28,027.09x = 694,115,849.75
  5. Step 5: Solve for x
    x = 694,115,849.75/28,027.09
  6. Step 6: Final answer
    x = 24,765.90

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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.