Home / 28,396.02-42,577.29-11,737.38

Finding the Fourth Proportional to 28,396.02, 42,577.29 and 11,737.38

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Solution

The fourth proportional to 28,396.02, 42,577.29 and 11,737.38 is: 17,599.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,396.02 : 42,577.29 = 11,737.38 : x
  2. Step 2: Convert to fraction form
    28,396.02/42,577.29 = 11,737.38/x
  3. Step 3: Cross multiply
    28,396.02x = 42,577.29 × 11,737.38
  4. Step 4: Simplify right side
    28,396.02x = 499,745,832.10
  5. Step 5: Solve for x
    x = 499,745,832.10/28,396.02
  6. Step 6: Final answer
    x = 17,599.15

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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.