Home / 19,016.64-28,525.05-5,165.64

Finding the Fourth Proportional to 19,016.64, 28,525.05 and 5,165.64

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Solution

The fourth proportional to 19,016.64, 28,525.05 and 5,165.64 is: 7,748.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,016.64 : 28,525.05 = 5,165.64 : x
  2. Step 2: Convert to fraction form
    19,016.64/28,525.05 = 5,165.64/x
  3. Step 3: Cross multiply
    19,016.64x = 28,525.05 × 5,165.64
  4. Step 4: Simplify right side
    19,016.64x = 147,350,139.28
  5. Step 5: Solve for x
    x = 147,350,139.28/19,016.64
  6. Step 6: Final answer
    x = 7,748.48

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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.