Home / 28,446.82-42,681.30-11,802.64

Finding the Fourth Proportional to 28,446.82, 42,681.30 and 11,802.64

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Solution

The fourth proportional to 28,446.82, 42,681.30 and 11,802.64 is: 17,708.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,446.82 : 42,681.30 = 11,802.64 : x
  2. Step 2: Convert to fraction form
    28,446.82/42,681.30 = 11,802.64/x
  3. Step 3: Cross multiply
    28,446.82x = 42,681.30 × 11,802.64
  4. Step 4: Simplify right side
    28,446.82x = 503,752,018.63
  5. Step 5: Solve for x
    x = 503,752,018.63/28,446.82
  6. Step 6: Final answer
    x = 17,708.55

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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.