Home / 27,188.04-37,479.78-19,216.20

Finding the Fourth Proportional to 27,188.04, 37,479.78 and 19,216.20

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Solution

The fourth proportional to 27,188.04, 37,479.78 and 19,216.20 is: 26,490.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,188.04 : 37,479.78 = 19,216.20 : x
  2. Step 2: Convert to fraction form
    27,188.04/37,479.78 = 19,216.20/x
  3. Step 3: Cross multiply
    27,188.04x = 37,479.78 × 19,216.20
  4. Step 4: Simplify right side
    27,188.04x = 720,218,948.44
  5. Step 5: Solve for x
    x = 720,218,948.44/27,188.04
  6. Step 6: Final answer
    x = 26,490.29

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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.