Home / 19,127.70-28,681.65-5,976.54

Finding the Fourth Proportional to 19,127.70, 28,681.65 and 5,976.54

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Solution

The fourth proportional to 19,127.70, 28,681.65 and 5,976.54 is: 8,961.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,127.70 : 28,681.65 = 5,976.54 : x
  2. Step 2: Convert to fraction form
    19,127.70/28,681.65 = 5,976.54/x
  3. Step 3: Cross multiply
    19,127.70x = 28,681.65 × 5,976.54
  4. Step 4: Simplify right side
    19,127.70x = 171,417,028.49
  5. Step 5: Solve for x
    x = 171,417,028.49/19,127.70
  6. Step 6: Final answer
    x = 8,961.72

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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.