Home / 28,054.11-42,044.79-11,394.63

Finding the Fourth Proportional to 28,054.11, 42,044.79 and 11,394.63

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Solution

The fourth proportional to 28,054.11, 42,044.79 and 11,394.63 is: 17,077.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,054.11 : 42,044.79 = 11,394.63 : x
  2. Step 2: Convert to fraction form
    28,054.11/42,044.79 = 11,394.63/x
  3. Step 3: Cross multiply
    28,054.11x = 42,044.79 × 11,394.63
  4. Step 4: Simplify right side
    28,054.11x = 479,084,825.48
  5. Step 5: Solve for x
    x = 479,084,825.48/28,054.11
  6. Step 6: Final answer
    x = 17,077.17

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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.