Home / 19,018.32-28,527.45-5,167.32

Finding the Fourth Proportional to 19,018.32, 28,527.45 and 5,167.32

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Solution

The fourth proportional to 19,018.32, 28,527.45 and 5,167.32 is: 7,750.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,018.32 : 28,527.45 = 5,167.32 : x
  2. Step 2: Convert to fraction form
    19,018.32/28,527.45 = 5,167.32/x
  3. Step 3: Cross multiply
    19,018.32x = 28,527.45 × 5,167.32
  4. Step 4: Simplify right side
    19,018.32x = 147,410,462.93
  5. Step 5: Solve for x
    x = 147,410,462.93/19,018.32
  6. Step 6: Final answer
    x = 7,750.97

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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.