Home / 27,964.61-38,591.24-15,389.36

Finding the Fourth Proportional to 27,964.61, 38,591.24 and 15,389.36

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Solution

The fourth proportional to 27,964.61, 38,591.24 and 15,389.36 is: 21,237.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,964.61 : 38,591.24 = 15,389.36 : x
  2. Step 2: Convert to fraction form
    27,964.61/38,591.24 = 15,389.36/x
  3. Step 3: Cross multiply
    27,964.61x = 38,591.24 × 15,389.36
  4. Step 4: Simplify right side
    27,964.61x = 593,894,581.68
  5. Step 5: Solve for x
    x = 593,894,581.68/27,964.61
  6. Step 6: Final answer
    x = 21,237.36

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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.