Home / 27,270.72-37,632.56-15,335.16

Finding the Fourth Proportional to 27,270.72, 37,632.56 and 15,335.16

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Solution

The fourth proportional to 27,270.72, 37,632.56 and 15,335.16 is: 21,161.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,270.72 : 37,632.56 = 15,335.16 : x
  2. Step 2: Convert to fraction form
    27,270.72/37,632.56 = 15,335.16/x
  3. Step 3: Cross multiply
    27,270.72x = 37,632.56 × 15,335.16
  4. Step 4: Simplify right side
    27,270.72x = 577,101,328.81
  5. Step 5: Solve for x
    x = 577,101,328.81/27,270.72
  6. Step 6: Final answer
    x = 21,161.94

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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.