Home / 27,549.22-38,017.77-15,614.81

Finding the Fourth Proportional to 27,549.22, 38,017.77 and 15,614.81

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Solution

The fourth proportional to 27,549.22, 38,017.77 and 15,614.81 is: 21,548.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,549.22 : 38,017.77 = 15,614.81 : x
  2. Step 2: Convert to fraction form
    27,549.22/38,017.77 = 15,614.81/x
  3. Step 3: Cross multiply
    27,549.22x = 38,017.77 × 15,614.81
  4. Step 4: Simplify right side
    27,549.22x = 593,640,255.17
  5. Step 5: Solve for x
    x = 593,640,255.17/27,549.22
  6. Step 6: Final answer
    x = 21,548.35

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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.