Home / 21,598.88-29,816.44-15,230.66

Finding the Fourth Proportional to 21,598.88, 29,816.44 and 15,230.66

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Solution

The fourth proportional to 21,598.88, 29,816.44 and 15,230.66 is: 21,025.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,598.88 : 29,816.44 = 15,230.66 : x
  2. Step 2: Convert to fraction form
    21,598.88/29,816.44 = 15,230.66/x
  3. Step 3: Cross multiply
    21,598.88x = 29,816.44 × 15,230.66
  4. Step 4: Simplify right side
    21,598.88x = 454,123,872.89
  5. Step 5: Solve for x
    x = 454,123,872.89/21,598.88
  6. Step 6: Final answer
    x = 21,025.35

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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.