Home / 27,966.82-38,595.02-15,220.82

Finding the Fourth Proportional to 27,966.82, 38,595.02 and 15,220.82

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Solution

The fourth proportional to 27,966.82, 38,595.02 and 15,220.82 is: 21,005.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,966.82 : 38,595.02 = 15,220.82 : x
  2. Step 2: Convert to fraction form
    27,966.82/38,595.02 = 15,220.82/x
  3. Step 3: Cross multiply
    27,966.82x = 38,595.02 × 15,220.82
  4. Step 4: Simplify right side
    27,966.82x = 587,447,852.32
  5. Step 5: Solve for x
    x = 587,447,852.32/27,966.82
  6. Step 6: Final answer
    x = 21,005.17

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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.