Home / 27,807.44-38,364.68-15,862.16

Finding the Fourth Proportional to 27,807.44, 38,364.68 and 15,862.16

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Solution

The fourth proportional to 27,807.44, 38,364.68 and 15,862.16 is: 21,884.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,807.44 : 38,364.68 = 15,862.16 : x
  2. Step 2: Convert to fraction form
    27,807.44/38,364.68 = 15,862.16/x
  3. Step 3: Cross multiply
    27,807.44x = 38,364.68 × 15,862.16
  4. Step 4: Simplify right side
    27,807.44x = 608,546,692.51
  5. Step 5: Solve for x
    x = 608,546,692.51/27,807.44
  6. Step 6: Final answer
    x = 21,884.31

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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.