Home / 28,051.48-42,082.18-9,579.16

Finding the Fourth Proportional to 28,051.48, 42,082.18 and 9,579.16

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Solution

The fourth proportional to 28,051.48, 42,082.18 and 9,579.16 is: 14,370.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,051.48 : 42,082.18 = 9,579.16 : x
  2. Step 2: Convert to fraction form
    28,051.48/42,082.18 = 9,579.16/x
  3. Step 3: Cross multiply
    28,051.48x = 42,082.18 × 9,579.16
  4. Step 4: Simplify right side
    28,051.48x = 403,111,935.37
  5. Step 5: Solve for x
    x = 403,111,935.37/28,051.48
  6. Step 6: Final answer
    x = 14,370.43

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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.