Home / 19,401.72-29,117.22-15,552.60

Finding the Fourth Proportional to 19,401.72, 29,117.22 and 15,552.60

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Solution

The fourth proportional to 19,401.72, 29,117.22 and 15,552.60 is: 23,340.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,401.72 : 29,117.22 = 15,552.60 : x
  2. Step 2: Convert to fraction form
    19,401.72/29,117.22 = 15,552.60/x
  3. Step 3: Cross multiply
    19,401.72x = 29,117.22 × 15,552.60
  4. Step 4: Simplify right side
    19,401.72x = 452,848,475.77
  5. Step 5: Solve for x
    x = 452,848,475.77/19,401.72
  6. Step 6: Final answer
    x = 23,340.64

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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.