Home / 19,039.90-28,557.78-5,001.31

Finding the Fourth Proportional to 19,039.90, 28,557.78 and 5,001.31

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Solution

The fourth proportional to 19,039.90, 28,557.78 and 5,001.31 is: 7,501.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,039.90 : 28,557.78 = 5,001.31 : x
  2. Step 2: Convert to fraction form
    19,039.90/28,557.78 = 5,001.31/x
  3. Step 3: Cross multiply
    19,039.90x = 28,557.78 × 5,001.31
  4. Step 4: Simplify right side
    19,039.90x = 142,826,310.69
  5. Step 5: Solve for x
    x = 142,826,310.69/19,039.90
  6. Step 6: Final answer
    x = 7,501.42

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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.