Home / 28,064.53-42,063.99-15,581.62

Finding the Fourth Proportional to 28,064.53, 42,063.99 and 15,581.62

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Solution

The fourth proportional to 28,064.53, 42,063.99 and 15,581.62 is: 23,354.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,064.53 : 42,063.99 = 15,581.62 : x
  2. Step 2: Convert to fraction form
    28,064.53/42,063.99 = 15,581.62/x
  3. Step 3: Cross multiply
    28,064.53x = 42,063.99 × 15,581.62
  4. Step 4: Simplify right side
    28,064.53x = 655,425,107.86
  5. Step 5: Solve for x
    x = 655,425,107.86/28,064.53
  6. Step 6: Final answer
    x = 23,354.22

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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.