Home / 28,762.56-43,140.92-10,040.80

Finding the Fourth Proportional to 28,762.56, 43,140.92 and 10,040.80

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Solution

The fourth proportional to 28,762.56, 43,140.92 and 10,040.80 is: 15,060.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,762.56 : 43,140.92 = 10,040.80 : x
  2. Step 2: Convert to fraction form
    28,762.56/43,140.92 = 10,040.80/x
  3. Step 3: Cross multiply
    28,762.56x = 43,140.92 × 10,040.80
  4. Step 4: Simplify right side
    28,762.56x = 433,169,349.54
  5. Step 5: Solve for x
    x = 433,169,349.54/28,762.56
  6. Step 6: Final answer
    x = 15,060.18

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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.