Home / 27,557.04-38,029.14-15,619.44

Finding the Fourth Proportional to 27,557.04, 38,029.14 and 15,619.44

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Solution

The fourth proportional to 27,557.04, 38,029.14 and 15,619.44 is: 21,555.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,557.04 : 38,029.14 = 15,619.44 : x
  2. Step 2: Convert to fraction form
    27,557.04/38,029.14 = 15,619.44/x
  3. Step 3: Cross multiply
    27,557.04x = 38,029.14 × 15,619.44
  4. Step 4: Simplify right side
    27,557.04x = 593,993,870.48
  5. Step 5: Solve for x
    x = 593,993,870.48/27,557.04
  6. Step 6: Final answer
    x = 21,555.07

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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.