Home / 28,315.99-42,474.12-8,594.72

Finding the Fourth Proportional to 28,315.99, 42,474.12 and 8,594.72

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Solution

The fourth proportional to 28,315.99, 42,474.12 and 8,594.72 is: 12,892.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,315.99 : 42,474.12 = 8,594.72 : x
  2. Step 2: Convert to fraction form
    28,315.99/42,474.12 = 8,594.72/x
  3. Step 3: Cross multiply
    28,315.99x = 42,474.12 × 8,594.72
  4. Step 4: Simplify right side
    28,315.99x = 365,053,168.65
  5. Step 5: Solve for x
    x = 365,053,168.65/28,315.99
  6. Step 6: Final answer
    x = 12,892.12

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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.