Home / 19,020.64-28,528.80-5,873.08

Finding the Fourth Proportional to 19,020.64, 28,528.80 and 5,873.08

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Solution

The fourth proportional to 19,020.64, 28,528.80 and 5,873.08 is: 8,808.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,020.64 : 28,528.80 = 5,873.08 : x
  2. Step 2: Convert to fraction form
    19,020.64/28,528.80 = 5,873.08/x
  3. Step 3: Cross multiply
    19,020.64x = 28,528.80 × 5,873.08
  4. Step 4: Simplify right side
    19,020.64x = 167,551,924.70
  5. Step 5: Solve for x
    x = 167,551,924.70/19,020.64
  6. Step 6: Final answer
    x = 8,808.95

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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.