Home / 19,492.09-29,230.80-15,380.53

Finding the Fourth Proportional to 19,492.09, 29,230.80 and 15,380.53

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Solution

The fourth proportional to 19,492.09, 29,230.80 and 15,380.53 is: 23,065.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,492.09 : 29,230.80 = 15,380.53 : x
  2. Step 2: Convert to fraction form
    19,492.09/29,230.80 = 15,380.53/x
  3. Step 3: Cross multiply
    19,492.09x = 29,230.80 × 15,380.53
  4. Step 4: Simplify right side
    19,492.09x = 449,585,196.32
  5. Step 5: Solve for x
    x = 449,585,196.32/19,492.09
  6. Step 6: Final answer
    x = 23,065.01

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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.