Home / 19,061.12-28,591.67-5,210.12

Finding the Fourth Proportional to 19,061.12, 28,591.67 and 5,210.12

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Solution

The fourth proportional to 19,061.12, 28,591.67 and 5,210.12 is: 7,815.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,061.12 : 28,591.67 = 5,210.12 : x
  2. Step 2: Convert to fraction form
    19,061.12/28,591.67 = 5,210.12/x
  3. Step 3: Cross multiply
    19,061.12x = 28,591.67 × 5,210.12
  4. Step 4: Simplify right side
    19,061.12x = 148,965,862.69
  5. Step 5: Solve for x
    x = 148,965,862.69/19,061.12
  6. Step 6: Final answer
    x = 7,815.17

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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.