Home / 19,022.40-28,527.30-6,540.30

Finding the Fourth Proportional to 19,022.40, 28,527.30 and 6,540.30

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Solution

The fourth proportional to 19,022.40, 28,527.30 and 6,540.30 is: 9,808.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,022.40 : 28,527.30 = 6,540.30 : x
  2. Step 2: Convert to fraction form
    19,022.40/28,527.30 = 6,540.30/x
  3. Step 3: Cross multiply
    19,022.40x = 28,527.30 × 6,540.30
  4. Step 4: Simplify right side
    19,022.40x = 186,577,100.19
  5. Step 5: Solve for x
    x = 186,577,100.19/19,022.40
  6. Step 6: Final answer
    x = 9,808.28

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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.