Home / 19,322.50-28,983.76-5,471.50

Finding the Fourth Proportional to 19,322.50, 28,983.76 and 5,471.50

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Solution

The fourth proportional to 19,322.50, 28,983.76 and 5,471.50 is: 8,207.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,322.50 : 28,983.76 = 5,471.50 : x
  2. Step 2: Convert to fraction form
    19,322.50/28,983.76 = 5,471.50/x
  3. Step 3: Cross multiply
    19,322.50x = 28,983.76 × 5,471.50
  4. Step 4: Simplify right side
    19,322.50x = 158,584,642.84
  5. Step 5: Solve for x
    x = 158,584,642.84/19,322.50
  6. Step 6: Final answer
    x = 8,207.25

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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.