Home / 20,667.32-31,000.44-5,877.26

Finding the Fourth Proportional to 20,667.32, 31,000.44 and 5,877.26

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Solution

The fourth proportional to 20,667.32, 31,000.44 and 5,877.26 is: 8,815.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,667.32 : 31,000.44 = 5,877.26 : x
  2. Step 2: Convert to fraction form
    20,667.32/31,000.44 = 5,877.26/x
  3. Step 3: Cross multiply
    20,667.32x = 31,000.44 × 5,877.26
  4. Step 4: Simplify right side
    20,667.32x = 182,197,645.99
  5. Step 5: Solve for x
    x = 182,197,645.99/20,667.32
  6. Step 6: Final answer
    x = 8,815.74

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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.