Home / 27,132.12-37,441.80-15,031.44

Finding the Fourth Proportional to 27,132.12, 37,441.80 and 15,031.44

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Solution

The fourth proportional to 27,132.12, 37,441.80 and 15,031.44 is: 20,743.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,132.12 : 37,441.80 = 15,031.44 : x
  2. Step 2: Convert to fraction form
    27,132.12/37,441.80 = 15,031.44/x
  3. Step 3: Cross multiply
    27,132.12x = 37,441.80 × 15,031.44
  4. Step 4: Simplify right side
    27,132.12x = 562,804,170.19
  5. Step 5: Solve for x
    x = 562,804,170.19/27,132.12
  6. Step 6: Final answer
    x = 20,743.10

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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.