Home / 28,027.38-38,655.90-17,956.74

Finding the Fourth Proportional to 28,027.38, 38,655.90 and 17,956.74

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Solution

The fourth proportional to 28,027.38, 38,655.90 and 17,956.74 is: 24,766.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,027.38 : 38,655.90 = 17,956.74 : x
  2. Step 2: Convert to fraction form
    28,027.38/38,655.90 = 17,956.74/x
  3. Step 3: Cross multiply
    28,027.38x = 38,655.90 × 17,956.74
  4. Step 4: Simplify right side
    28,027.38x = 694,133,945.77
  5. Step 5: Solve for x
    x = 694,133,945.77/28,027.38
  6. Step 6: Final answer
    x = 24,766.28

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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.