Home / 27,216.25-37,558.10-15,279.28

Finding the Fourth Proportional to 27,216.25, 37,558.10 and 15,279.28

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Solution

The fourth proportional to 27,216.25, 37,558.10 and 15,279.28 is: 21,085.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,216.25 : 37,558.10 = 15,279.28 : x
  2. Step 2: Convert to fraction form
    27,216.25/37,558.10 = 15,279.28/x
  3. Step 3: Cross multiply
    27,216.25x = 37,558.10 × 15,279.28
  4. Step 4: Simplify right side
    27,216.25x = 573,860,726.17
  5. Step 5: Solve for x
    x = 573,860,726.17/27,216.25
  6. Step 6: Final answer
    x = 21,085.22

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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.