Home / 19,079.20-28,617.20-5,931.36

Finding the Fourth Proportional to 19,079.20, 28,617.20 and 5,931.36

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Solution

The fourth proportional to 19,079.20, 28,617.20 and 5,931.36 is: 8,896.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,079.20 : 28,617.20 = 5,931.36 : x
  2. Step 2: Convert to fraction form
    19,079.20/28,617.20 = 5,931.36/x
  3. Step 3: Cross multiply
    19,079.20x = 28,617.20 × 5,931.36
  4. Step 4: Simplify right side
    19,079.20x = 169,738,915.39
  5. Step 5: Solve for x
    x = 169,738,915.39/19,079.20
  6. Step 6: Final answer
    x = 8,896.54

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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.