Home / 19,228.77-28,844.30-5,377.77

Finding the Fourth Proportional to 19,228.77, 28,844.30 and 5,377.77

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Solution

The fourth proportional to 19,228.77, 28,844.30 and 5,377.77 is: 8,066.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,228.77 : 28,844.30 = 5,377.77 : x
  2. Step 2: Convert to fraction form
    19,228.77/28,844.30 = 5,377.77/x
  3. Step 3: Cross multiply
    19,228.77x = 28,844.30 × 5,377.77
  4. Step 4: Simplify right side
    19,228.77x = 155,117,984.32
  5. Step 5: Solve for x
    x = 155,117,984.32/19,228.77
  6. Step 6: Final answer
    x = 8,066.97

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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.