Home / 27,419.22-37,778.36-18,451.16

Finding the Fourth Proportional to 27,419.22, 37,778.36 and 18,451.16

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Solution

The fourth proportional to 27,419.22, 37,778.36 and 18,451.16 is: 25,422.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,419.22 : 37,778.36 = 18,451.16 : x
  2. Step 2: Convert to fraction form
    27,419.22/37,778.36 = 18,451.16/x
  3. Step 3: Cross multiply
    27,419.22x = 37,778.36 × 18,451.16
  4. Step 4: Simplify right side
    27,419.22x = 697,054,283.75
  5. Step 5: Solve for x
    x = 697,054,283.75/27,419.22
  6. Step 6: Final answer
    x = 25,422.10

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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.