Home / 17,811.38-26,720.52-5,330.32

Finding the Fourth Proportional to 17,811.38, 26,720.52 and 5,330.32

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Solution

The fourth proportional to 17,811.38, 26,720.52 and 5,330.32 is: 7,996.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,811.38 : 26,720.52 = 5,330.32 : x
  2. Step 2: Convert to fraction form
    17,811.38/26,720.52 = 5,330.32/x
  3. Step 3: Cross multiply
    17,811.38x = 26,720.52 × 5,330.32
  4. Step 4: Simplify right side
    17,811.38x = 142,428,985.68
  5. Step 5: Solve for x
    x = 142,428,985.68/17,811.38
  6. Step 6: Final answer
    x = 7,996.52

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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.