Home / 27,419.28-41,102.16-13,378.74

Finding the Fourth Proportional to 27,419.28, 41,102.16 and 13,378.74

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Solution

The fourth proportional to 27,419.28, 41,102.16 and 13,378.74 is: 20,055.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,419.28 : 41,102.16 = 13,378.74 : x
  2. Step 2: Convert to fraction form
    27,419.28/41,102.16 = 13,378.74/x
  3. Step 3: Cross multiply
    27,419.28x = 41,102.16 × 13,378.74
  4. Step 4: Simplify right side
    27,419.28x = 549,895,292.20
  5. Step 5: Solve for x
    x = 549,895,292.20/27,419.28
  6. Step 6: Final answer
    x = 20,055.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.