Home / 27,135.14-37,445.60-15,035.12

Finding the Fourth Proportional to 27,135.14, 37,445.60 and 15,035.12

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Solution

The fourth proportional to 27,135.14, 37,445.60 and 15,035.12 is: 20,747.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,135.14 : 37,445.60 = 15,035.12 : x
  2. Step 2: Convert to fraction form
    27,135.14/37,445.60 = 15,035.12/x
  3. Step 3: Cross multiply
    27,135.14x = 37,445.60 × 15,035.12
  4. Step 4: Simplify right side
    27,135.14x = 562,999,089.47
  5. Step 5: Solve for x
    x = 562,999,089.47/27,135.14
  6. Step 6: Final answer
    x = 20,747.97

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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.