Home / 37,988.93-56,986.20-13,028.78

Finding the Fourth Proportional to 37,988.93, 56,986.20 and 13,028.78

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Solution

The fourth proportional to 37,988.93, 56,986.20 and 13,028.78 is: 19,544.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,988.93 : 56,986.20 = 13,028.78 : x
  2. Step 2: Convert to fraction form
    37,988.93/56,986.20 = 13,028.78/x
  3. Step 3: Cross multiply
    37,988.93x = 56,986.20 × 13,028.78
  4. Step 4: Simplify right side
    37,988.93x = 742,460,805.30
  5. Step 5: Solve for x
    x = 742,460,805.30/37,988.93
  6. Step 6: Final answer
    x = 19,544.13

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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.