Home / 27,365.76-37,761.53-15,428.39

Finding the Fourth Proportional to 27,365.76, 37,761.53 and 15,428.39

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Solution

The fourth proportional to 27,365.76, 37,761.53 and 15,428.39 is: 21,289.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,365.76 : 37,761.53 = 15,428.39 : x
  2. Step 2: Convert to fraction form
    27,365.76/37,761.53 = 15,428.39/x
  3. Step 3: Cross multiply
    27,365.76x = 37,761.53 × 15,428.39
  4. Step 4: Simplify right side
    27,365.76x = 582,599,345.89
  5. Step 5: Solve for x
    x = 582,599,345.89/27,365.76
  6. Step 6: Final answer
    x = 21,289.35

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1.5x scale

Why These Related Problems?

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