Home / 27,822.71-38,395.47-15,076.08

Finding the Fourth Proportional to 27,822.71, 38,395.47 and 15,076.08

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Solution

The fourth proportional to 27,822.71, 38,395.47 and 15,076.08 is: 20,805.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,822.71 : 38,395.47 = 15,076.08 : x
  2. Step 2: Convert to fraction form
    27,822.71/38,395.47 = 15,076.08/x
  3. Step 3: Cross multiply
    27,822.71x = 38,395.47 × 15,076.08
  4. Step 4: Simplify right side
    27,822.71x = 578,853,177.36
  5. Step 5: Solve for x
    x = 578,853,177.36/27,822.71
  6. Step 6: Final answer
    x = 20,805.06

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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.