Home / 34,360.28-47,412.76-20,207.96

Finding the Fourth Proportional to 34,360.28, 47,412.76 and 20,207.96

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Solution

The fourth proportional to 34,360.28, 47,412.76 and 20,207.96 is: 27,884.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,360.28 : 47,412.76 = 20,207.96 : x
  2. Step 2: Convert to fraction form
    34,360.28/47,412.76 = 20,207.96/x
  3. Step 3: Cross multiply
    34,360.28x = 47,412.76 × 20,207.96
  4. Step 4: Simplify right side
    34,360.28x = 958,115,157.57
  5. Step 5: Solve for x
    x = 958,115,157.57/34,360.28
  6. Step 6: Final answer
    x = 27,884.38

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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.