Home / 20,207.36-27,884.30-14,905.10

Finding the Fourth Proportional to 20,207.36, 27,884.30 and 14,905.10

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Solution

The fourth proportional to 20,207.36, 27,884.30 and 14,905.10 is: 20,567.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,207.36 : 27,884.30 = 14,905.10 : x
  2. Step 2: Convert to fraction form
    20,207.36/27,884.30 = 14,905.10/x
  3. Step 3: Cross multiply
    20,207.36x = 27,884.30 × 14,905.10
  4. Step 4: Simplify right side
    20,207.36x = 415,618,279.93
  5. Step 5: Solve for x
    x = 415,618,279.93/20,207.36
  6. Step 6: Final answer
    x = 20,567.67

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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.