Home / 42,864.13-59,138.82-27,768.36

Finding the Fourth Proportional to 42,864.13, 59,138.82 and 27,768.36

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Solution

The fourth proportional to 42,864.13, 59,138.82 and 27,768.36 is: 38,311.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,864.13 : 59,138.82 = 27,768.36 : x
  2. Step 2: Convert to fraction form
    42,864.13/59,138.82 = 27,768.36/x
  3. Step 3: Cross multiply
    42,864.13x = 59,138.82 × 27,768.36
  4. Step 4: Simplify right side
    42,864.13x = 1,642,188,043.74
  5. Step 5: Solve for x
    x = 1,642,188,043.74/42,864.13
  6. Step 6: Final answer
    x = 38,311.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.