Home / 27,117.54-37,423.06-15,791.00

Finding the Fourth Proportional to 27,117.54, 37,423.06 and 15,791.00

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Solution

The fourth proportional to 27,117.54, 37,423.06 and 15,791.00 is: 21,792.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,117.54 : 37,423.06 = 15,791.00 : x
  2. Step 2: Convert to fraction form
    27,117.54/37,423.06 = 15,791.00/x
  3. Step 3: Cross multiply
    27,117.54x = 37,423.06 × 15,791.00
  4. Step 4: Simplify right side
    27,117.54x = 590,947,313.87
  5. Step 5: Solve for x
    x = 590,947,313.87/27,117.54
  6. Step 6: Final answer
    x = 21,792.07

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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.