Home / 28,329.14-42,498.58-8,609.70

Finding the Fourth Proportional to 28,329.14, 42,498.58 and 8,609.70

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Solution

The fourth proportional to 28,329.14, 42,498.58 and 8,609.70 is: 12,916.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,329.14 : 42,498.58 = 8,609.70 : x
  2. Step 2: Convert to fraction form
    28,329.14/42,498.58 = 8,609.70/x
  3. Step 3: Cross multiply
    28,329.14x = 42,498.58 × 8,609.70
  4. Step 4: Simplify right side
    28,329.14x = 365,900,024.23
  5. Step 5: Solve for x
    x = 365,900,024.23/28,329.14
  6. Step 6: Final answer
    x = 12,916.03

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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.