Home / 19,023.40-28,528.80-6,541.30

Finding the Fourth Proportional to 19,023.40, 28,528.80 and 6,541.30

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Solution

The fourth proportional to 19,023.40, 28,528.80 and 6,541.30 is: 9,809.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,023.40 : 28,528.80 = 6,541.30 : x
  2. Step 2: Convert to fraction form
    19,023.40/28,528.80 = 6,541.30/x
  3. Step 3: Cross multiply
    19,023.40x = 28,528.80 × 6,541.30
  4. Step 4: Simplify right side
    19,023.40x = 186,615,439.44
  5. Step 5: Solve for x
    x = 186,615,439.44/19,023.40
  6. Step 6: Final answer
    x = 9,809.78

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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.