Home / 27,013.47-37,280.70-15,078.60

Finding the Fourth Proportional to 27,013.47, 37,280.70 and 15,078.60

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Solution

The fourth proportional to 27,013.47, 37,280.70 and 15,078.60 is: 20,809.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,013.47 : 37,280.70 = 15,078.60 : x
  2. Step 2: Convert to fraction form
    27,013.47/37,280.70 = 15,078.60/x
  3. Step 3: Cross multiply
    27,013.47x = 37,280.70 × 15,078.60
  4. Step 4: Simplify right side
    27,013.47x = 562,140,763.02
  5. Step 5: Solve for x
    x = 562,140,763.02/27,013.47
  6. Step 6: Final answer
    x = 20,809.65

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.