Home / 28,869.16-43,323.18-13,078.48

Finding the Fourth Proportional to 28,869.16, 43,323.18 and 13,078.48

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Solution

The fourth proportional to 28,869.16, 43,323.18 and 13,078.48 is: 19,626.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,869.16 : 43,323.18 = 13,078.48 : x
  2. Step 2: Convert to fraction form
    28,869.16/43,323.18 = 13,078.48/x
  3. Step 3: Cross multiply
    28,869.16x = 43,323.18 × 13,078.48
  4. Step 4: Simplify right side
    28,869.16x = 566,601,343.17
  5. Step 5: Solve for x
    x = 566,601,343.17/28,869.16
  6. Step 6: Final answer
    x = 19,626.53

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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.