Home / 40,728.24-61,102.08-14,435.28

Finding the Fourth Proportional to 40,728.24, 61,102.08 and 14,435.28

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Solution

The fourth proportional to 40,728.24, 61,102.08 and 14,435.28 is: 21,656.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,728.24 : 61,102.08 = 14,435.28 : x
  2. Step 2: Convert to fraction form
    40,728.24/61,102.08 = 14,435.28/x
  3. Step 3: Cross multiply
    40,728.24x = 61,102.08 × 14,435.28
  4. Step 4: Simplify right side
    40,728.24x = 882,025,633.38
  5. Step 5: Solve for x
    x = 882,025,633.38/40,728.24
  6. Step 6: Final answer
    x = 21,656.37

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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.