Home / 19,284.90-28,897.43-13,373.31

Finding the Fourth Proportional to 19,284.90, 28,897.43 and 13,373.31

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Solution

The fourth proportional to 19,284.90, 28,897.43 and 13,373.31 is: 20,039.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,284.90 : 28,897.43 = 13,373.31 : x
  2. Step 2: Convert to fraction form
    19,284.90/28,897.43 = 13,373.31/x
  3. Step 3: Cross multiply
    19,284.90x = 28,897.43 × 13,373.31
  4. Step 4: Simplify right side
    19,284.90x = 386,454,331.09
  5. Step 5: Solve for x
    x = 386,454,331.09/19,284.90
  6. Step 6: Final answer
    x = 20,039.22

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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.