Home / 27,364.94-37,764.06-15,428.88

Finding the Fourth Proportional to 27,364.94, 37,764.06 and 15,428.88

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Solution

The fourth proportional to 27,364.94, 37,764.06 and 15,428.88 is: 21,292.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,364.94 : 37,764.06 = 15,428.88 : x
  2. Step 2: Convert to fraction form
    27,364.94/37,764.06 = 15,428.88/x
  3. Step 3: Cross multiply
    27,364.94x = 37,764.06 × 15,428.88
  4. Step 4: Simplify right side
    27,364.94x = 582,657,150.05
  5. Step 5: Solve for x
    x = 582,657,150.05/27,364.94
  6. Step 6: Final answer
    x = 21,292.10

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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.