Home / 28,868.64-43,283.76-10,398.24

Finding the Fourth Proportional to 28,868.64, 43,283.76 and 10,398.24

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Solution

The fourth proportional to 28,868.64, 43,283.76 and 10,398.24 is: 15,590.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,868.64 : 43,283.76 = 10,398.24 : x
  2. Step 2: Convert to fraction form
    28,868.64/43,283.76 = 10,398.24/x
  3. Step 3: Cross multiply
    28,868.64x = 43,283.76 × 10,398.24
  4. Step 4: Simplify right side
    28,868.64x = 450,074,924.58
  5. Step 5: Solve for x
    x = 450,074,924.58/28,868.64
  6. Step 6: Final answer
    x = 15,590.44

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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.