Home / 19,227.18-28,671.06-18,541.92

Finding the Fourth Proportional to 19,227.18, 28,671.06 and 18,541.92

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Solution

The fourth proportional to 19,227.18, 28,671.06 and 18,541.92 is: 27,649.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,227.18 : 28,671.06 = 18,541.92 : x
  2. Step 2: Convert to fraction form
    19,227.18/28,671.06 = 18,541.92/x
  3. Step 3: Cross multiply
    19,227.18x = 28,671.06 × 18,541.92
  4. Step 4: Simplify right side
    19,227.18x = 531,616,500.84
  5. Step 5: Solve for x
    x = 531,616,500.84/19,227.18
  6. Step 6: Final answer
    x = 27,649.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.