Home / 27,628.87-38,127.82-15,053.62

Finding the Fourth Proportional to 27,628.87, 38,127.82 and 15,053.62

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Solution

The fourth proportional to 27,628.87, 38,127.82 and 15,053.62 is: 20,773.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,628.87 : 38,127.82 = 15,053.62 : x
  2. Step 2: Convert to fraction form
    27,628.87/38,127.82 = 15,053.62/x
  3. Step 3: Cross multiply
    27,628.87x = 38,127.82 × 15,053.62
  4. Step 4: Simplify right side
    27,628.87x = 573,961,713.71
  5. Step 5: Solve for x
    x = 573,961,713.71/27,628.87
  6. Step 6: Final answer
    x = 20,773.98

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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.