Home / 28,369.23-42,553.85-10,840.83

Finding the Fourth Proportional to 28,369.23, 42,553.85 and 10,840.83

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Solution

The fourth proportional to 28,369.23, 42,553.85 and 10,840.83 is: 16,261.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,369.23 : 42,553.85 = 10,840.83 : x
  2. Step 2: Convert to fraction form
    28,369.23/42,553.85 = 10,840.83/x
  3. Step 3: Cross multiply
    28,369.23x = 42,553.85 × 10,840.83
  4. Step 4: Simplify right side
    28,369.23x = 461,318,999.49
  5. Step 5: Solve for x
    x = 461,318,999.49/28,369.23
  6. Step 6: Final answer
    x = 16,261.25

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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.