Home / 28,964-43,413.24-13,349.36

Finding the Fourth Proportional to 28,964, 43,413.24 and 13,349.36

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Solution

The fourth proportional to 28,964, 43,413.24 and 13,349.36 is: 20,008.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,964 : 43,413.24 = 13,349.36 : x
  2. Step 2: Convert to fraction form
    28,964/43,413.24 = 13,349.36/x
  3. Step 3: Cross multiply
    28,964x = 43,413.24 × 13,349.36
  4. Step 4: Simplify right side
    28,964x = 579,538,969.53
  5. Step 5: Solve for x
    x = 579,538,969.53/28,964
  6. Step 6: Final answer
    x = 20,008.94

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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.