Home / 20,367.32-28,090.26-14,337.54

Finding the Fourth Proportional to 20,367.32, 28,090.26 and 14,337.54

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Solution

The fourth proportional to 20,367.32, 28,090.26 and 14,337.54 is: 19,774.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,367.32 : 28,090.26 = 14,337.54 : x
  2. Step 2: Convert to fraction form
    20,367.32/28,090.26 = 14,337.54/x
  3. Step 3: Cross multiply
    20,367.32x = 28,090.26 × 14,337.54
  4. Step 4: Simplify right side
    20,367.32x = 402,745,165.87
  5. Step 5: Solve for x
    x = 402,745,165.87/20,367.32
  6. Step 6: Final answer
    x = 19,774.09

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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.