Home / 22,765.08-31,404.64-15,213.27

Finding the Fourth Proportional to 22,765.08, 31,404.64 and 15,213.27

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Solution

The fourth proportional to 22,765.08, 31,404.64 and 15,213.27 is: 20,986.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,765.08 : 31,404.64 = 15,213.27 : x
  2. Step 2: Convert to fraction form
    22,765.08/31,404.64 = 15,213.27/x
  3. Step 3: Cross multiply
    22,765.08x = 31,404.64 × 15,213.27
  4. Step 4: Simplify right side
    22,765.08x = 477,767,267.57
  5. Step 5: Solve for x
    x = 477,767,267.57/22,765.08
  6. Step 6: Final answer
    x = 20,986.85

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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.