Home / 18,677.08-28,005.90-5,527.68

Finding the Fourth Proportional to 18,677.08, 28,005.90 and 5,527.68

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Solution

The fourth proportional to 18,677.08, 28,005.90 and 5,527.68 is: 8,288.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,677.08 : 28,005.90 = 5,527.68 : x
  2. Step 2: Convert to fraction form
    18,677.08/28,005.90 = 5,527.68/x
  3. Step 3: Cross multiply
    18,677.08x = 28,005.90 × 5,527.68
  4. Step 4: Simplify right side
    18,677.08x = 154,807,653.31
  5. Step 5: Solve for x
    x = 154,807,653.31/18,677.08
  6. Step 6: Final answer
    x = 8,288.64

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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.