Home / 28,329.23-42,492.02-8,607.96

Finding the Fourth Proportional to 28,329.23, 42,492.02 and 8,607.96

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Solution

The fourth proportional to 28,329.23, 42,492.02 and 8,607.96 is: 12,911.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,329.23 : 42,492.02 = 8,607.96 : x
  2. Step 2: Convert to fraction form
    28,329.23/42,492.02 = 8,607.96/x
  3. Step 3: Cross multiply
    28,329.23x = 42,492.02 × 8,607.96
  4. Step 4: Simplify right side
    28,329.23x = 365,769,565.44
  5. Step 5: Solve for x
    x = 365,769,565.44/28,329.23
  6. Step 6: Final answer
    x = 12,911.39

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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.