Home / 72,372.02-108,507-27,961.34

Finding the Fourth Proportional to 72,372.02, 108,507 and 27,961.34

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Solution

The fourth proportional to 72,372.02, 108,507 and 27,961.34 is: 41,922.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,372.02 : 108,507 = 27,961.34 : x
  2. Step 2: Convert to fraction form
    72,372.02/108,507 = 27,961.34/x
  3. Step 3: Cross multiply
    72,372.02x = 108,507 × 27,961.34
  4. Step 4: Simplify right side
    72,372.02x = 3,034,001,119.38
  5. Step 5: Solve for x
    x = 3,034,001,119.38/72,372.02
  6. Step 6: Final answer
    x = 41,922.29

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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.