Home / 19,442.79-29,156.94-15,290.91

Finding the Fourth Proportional to 19,442.79, 29,156.94 and 15,290.91

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Solution

The fourth proportional to 19,442.79, 29,156.94 and 15,290.91 is: 22,930.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,442.79 : 29,156.94 = 15,290.91 : x
  2. Step 2: Convert to fraction form
    19,442.79/29,156.94 = 15,290.91/x
  3. Step 3: Cross multiply
    19,442.79x = 29,156.94 × 15,290.91
  4. Step 4: Simplify right side
    19,442.79x = 445,836,145.42
  5. Step 5: Solve for x
    x = 445,836,145.42/19,442.79
  6. Step 6: Final answer
    x = 22,930.67

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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.