Home / 17,799.76-26,700.90-5,319.64

Finding the Fourth Proportional to 17,799.76, 26,700.90 and 5,319.64

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Solution

The fourth proportional to 17,799.76, 26,700.90 and 5,319.64 is: 7,979.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,799.76 : 26,700.90 = 5,319.64 : x
  2. Step 2: Convert to fraction form
    17,799.76/26,700.90 = 5,319.64/x
  3. Step 3: Cross multiply
    17,799.76x = 26,700.90 × 5,319.64
  4. Step 4: Simplify right side
    17,799.76x = 142,039,175.68
  5. Step 5: Solve for x
    x = 142,039,175.68/17,799.76
  6. Step 6: Final answer
    x = 7,979.84

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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.