Home / 19,453.77-29,125.58-15,121.89

Finding the Fourth Proportional to 19,453.77, 29,125.58 and 15,121.89

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Solution

The fourth proportional to 19,453.77, 29,125.58 and 15,121.89 is: 22,640.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,453.77 : 29,125.58 = 15,121.89 : x
  2. Step 2: Convert to fraction form
    19,453.77/29,125.58 = 15,121.89/x
  3. Step 3: Cross multiply
    19,453.77x = 29,125.58 × 15,121.89
  4. Step 4: Simplify right side
    19,453.77x = 440,433,741.34
  5. Step 5: Solve for x
    x = 440,433,741.34/19,453.77
  6. Step 6: Final answer
    x = 22,640.02

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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.