Home / 19,579.78-29,332.67-15,175.67

Finding the Fourth Proportional to 19,579.78, 29,332.67 and 15,175.67

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Solution

The fourth proportional to 19,579.78, 29,332.67 and 15,175.67 is: 22,734.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,579.78 : 29,332.67 = 15,175.67 : x
  2. Step 2: Convert to fraction form
    19,579.78/29,332.67 = 15,175.67/x
  3. Step 3: Cross multiply
    19,579.78x = 29,332.67 × 15,175.67
  4. Step 4: Simplify right side
    19,579.78x = 445,142,990.64
  5. Step 5: Solve for x
    x = 445,142,990.64/19,579.78
  6. Step 6: Final answer
    x = 22,734.84

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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.