Home / 28,885.55-43,299.17-15,710.63

Finding the Fourth Proportional to 28,885.55, 43,299.17 and 15,710.63

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Solution

The fourth proportional to 28,885.55, 43,299.17 and 15,710.63 is: 23,550.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,885.55 : 43,299.17 = 15,710.63 : x
  2. Step 2: Convert to fraction form
    28,885.55/43,299.17 = 15,710.63/x
  3. Step 3: Cross multiply
    28,885.55x = 43,299.17 × 15,710.63
  4. Step 4: Simplify right side
    28,885.55x = 680,257,160.62
  5. Step 5: Solve for x
    x = 680,257,160.62/28,885.55
  6. Step 6: Final answer
    x = 23,550.09

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1.5x scale

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.