Home / 28,195.68-42,293.28-8,474.16

Finding the Fourth Proportional to 28,195.68, 42,293.28 and 8,474.16

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Solution

The fourth proportional to 28,195.68, 42,293.28 and 8,474.16 is: 12,711.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,195.68 : 42,293.28 = 8,474.16 : x
  2. Step 2: Convert to fraction form
    28,195.68/42,293.28 = 8,474.16/x
  3. Step 3: Cross multiply
    28,195.68x = 42,293.28 × 8,474.16
  4. Step 4: Simplify right side
    28,195.68x = 358,400,021.64
  5. Step 5: Solve for x
    x = 358,400,021.64/28,195.68
  6. Step 6: Final answer
    x = 12,711.17

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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.