Home / 27,012.66-37,279.34-15,078.32

Finding the Fourth Proportional to 27,012.66, 37,279.34 and 15,078.32

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Solution

The fourth proportional to 27,012.66, 37,279.34 and 15,078.32 is: 20,809.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,012.66 : 37,279.34 = 15,078.32 : x
  2. Step 2: Convert to fraction form
    27,012.66/37,279.34 = 15,078.32/x
  3. Step 3: Cross multiply
    27,012.66x = 37,279.34 × 15,078.32
  4. Step 4: Simplify right side
    27,012.66x = 562,109,742.52
  5. Step 5: Solve for x
    x = 562,109,742.52/27,012.66
  6. Step 6: Final answer
    x = 20,809.13

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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.