Home / 28,563.99-42,852.24-8,572.65

Finding the Fourth Proportional to 28,563.99, 42,852.24 and 8,572.65

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Solution

The fourth proportional to 28,563.99, 42,852.24 and 8,572.65 is: 12,860.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,563.99 : 42,852.24 = 8,572.65 : x
  2. Step 2: Convert to fraction form
    28,563.99/42,852.24 = 8,572.65/x
  3. Step 3: Cross multiply
    28,563.99x = 42,852.24 × 8,572.65
  4. Step 4: Simplify right side
    28,563.99x = 367,357,255.24
  5. Step 5: Solve for x
    x = 367,357,255.24/28,563.99
  6. Step 6: Final answer
    x = 12,860.85

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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.