Home / 28,572.02-42,847.98-8,575.54

Finding the Fourth Proportional to 28,572.02, 42,847.98 and 8,575.54

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Solution

The fourth proportional to 28,572.02, 42,847.98 and 8,575.54 is: 12,860.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,572.02 : 42,847.98 = 8,575.54 : x
  2. Step 2: Convert to fraction form
    28,572.02/42,847.98 = 8,575.54/x
  3. Step 3: Cross multiply
    28,572.02x = 42,847.98 × 8,575.54
  4. Step 4: Simplify right side
    28,572.02x = 367,444,566.41
  5. Step 5: Solve for x
    x = 367,444,566.41/28,572.02
  6. Step 6: Final answer
    x = 12,860.29

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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.