Home / 28,501.65-42,764.77-15,351.39

Finding the Fourth Proportional to 28,501.65, 42,764.77 and 15,351.39

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Solution

The fourth proportional to 28,501.65, 42,764.77 and 15,351.39 is: 23,033.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,501.65 : 42,764.77 = 15,351.39 : x
  2. Step 2: Convert to fraction form
    28,501.65/42,764.77 = 15,351.39/x
  3. Step 3: Cross multiply
    28,501.65x = 42,764.77 × 15,351.39
  4. Step 4: Simplify right side
    28,501.65x = 656,498,662.53
  5. Step 5: Solve for x
    x = 656,498,662.53/28,501.65
  6. Step 6: Final answer
    x = 23,033.71

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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.