Home / 28,044.31-42,074.42-11,416.28

Finding the Fourth Proportional to 28,044.31, 42,074.42 and 11,416.28

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Solution

The fourth proportional to 28,044.31, 42,074.42 and 11,416.28 is: 17,127.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,044.31 : 42,074.42 = 11,416.28 : x
  2. Step 2: Convert to fraction form
    28,044.31/42,074.42 = 11,416.28/x
  3. Step 3: Cross multiply
    28,044.31x = 42,074.42 × 11,416.28
  4. Step 4: Simplify right side
    28,044.31x = 480,333,359.56
  5. Step 5: Solve for x
    x = 480,333,359.56/28,044.31
  6. Step 6: Final answer
    x = 17,127.66

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1.5x scale

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.