Home / 27,140.07-40,772.48-19,262.15

Finding the Fourth Proportional to 27,140.07, 40,772.48 and 19,262.15

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Solution

The fourth proportional to 27,140.07, 40,772.48 and 19,262.15 is: 28,937.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,140.07 : 40,772.48 = 19,262.15 : x
  2. Step 2: Convert to fraction form
    27,140.07/40,772.48 = 19,262.15/x
  3. Step 3: Cross multiply
    27,140.07x = 40,772.48 × 19,262.15
  4. Step 4: Simplify right side
    27,140.07x = 785,365,325.46
  5. Step 5: Solve for x
    x = 785,365,325.46/27,140.07
  6. Step 6: Final answer
    x = 28,937.48

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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.