Home / 27,256.85-37,614.81-15,319.49

Finding the Fourth Proportional to 27,256.85, 37,614.81 and 15,319.49

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Solution

The fourth proportional to 27,256.85, 37,614.81 and 15,319.49 is: 21,141.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,256.85 : 37,614.81 = 15,319.49 : x
  2. Step 2: Convert to fraction form
    27,256.85/37,614.81 = 15,319.49/x
  3. Step 3: Cross multiply
    27,256.85x = 37,614.81 × 15,319.49
  4. Step 4: Simplify right side
    27,256.85x = 576,239,705.65
  5. Step 5: Solve for x
    x = 576,239,705.65/27,256.85
  6. Step 6: Final answer
    x = 21,141.10

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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.