Home / 19,452.88-26,846.76-15,207.76

Finding the Fourth Proportional to 19,452.88, 26,846.76 and 15,207.76

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Solution

The fourth proportional to 19,452.88, 26,846.76 and 15,207.76 is: 20,988.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,452.88 : 26,846.76 = 15,207.76 : x
  2. Step 2: Convert to fraction form
    19,452.88/26,846.76 = 15,207.76/x
  3. Step 3: Cross multiply
    19,452.88x = 26,846.76 × 15,207.76
  4. Step 4: Simplify right side
    19,452.88x = 408,279,082.86
  5. Step 5: Solve for x
    x = 408,279,082.86/19,452.88
  6. Step 6: Final answer
    x = 20,988.10

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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.