Home / 15,672.53-23,492.28-5,139.81

Finding the Fourth Proportional to 15,672.53, 23,492.28 and 5,139.81

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Solution

The fourth proportional to 15,672.53, 23,492.28 and 5,139.81 is: 7,704.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,672.53 : 23,492.28 = 5,139.81 : x
  2. Step 2: Convert to fraction form
    15,672.53/23,492.28 = 5,139.81/x
  3. Step 3: Cross multiply
    15,672.53x = 23,492.28 × 5,139.81
  4. Step 4: Simplify right side
    15,672.53x = 120,745,855.67
  5. Step 5: Solve for x
    x = 120,745,855.67/15,672.53
  6. Step 6: Final answer
    x = 7,704.30

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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.