Home / 27,754.84-38,300.89-15,179.32

Finding the Fourth Proportional to 27,754.84, 38,300.89 and 15,179.32

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Solution

The fourth proportional to 27,754.84, 38,300.89 and 15,179.32 is: 20,947.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,754.84 : 38,300.89 = 15,179.32 : x
  2. Step 2: Convert to fraction form
    27,754.84/38,300.89 = 15,179.32/x
  3. Step 3: Cross multiply
    27,754.84x = 38,300.89 × 15,179.32
  4. Step 4: Simplify right side
    27,754.84x = 581,381,465.59
  5. Step 5: Solve for x
    x = 581,381,465.59/27,754.84
  6. Step 6: Final answer
    x = 20,947.03

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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.