Home / 27,119.40-37,423.08-15,180.72

Finding the Fourth Proportional to 27,119.40, 37,423.08 and 15,180.72

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Solution

The fourth proportional to 27,119.40, 37,423.08 and 15,180.72 is: 20,948.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,119.40 : 37,423.08 = 15,180.72 : x
  2. Step 2: Convert to fraction form
    27,119.40/37,423.08 = 15,180.72/x
  3. Step 3: Cross multiply
    27,119.40x = 37,423.08 × 15,180.72
  4. Step 4: Simplify right side
    27,119.40x = 568,109,299.02
  5. Step 5: Solve for x
    x = 568,109,299.02/27,119.40
  6. Step 6: Final answer
    x = 20,948.45

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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.