Home / 27,684.04-38,204.04-15,109.60

Finding the Fourth Proportional to 27,684.04, 38,204.04 and 15,109.60

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Solution

The fourth proportional to 27,684.04, 38,204.04 and 15,109.60 is: 20,851.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,684.04 : 38,204.04 = 15,109.60 : x
  2. Step 2: Convert to fraction form
    27,684.04/38,204.04 = 15,109.60/x
  3. Step 3: Cross multiply
    27,684.04x = 38,204.04 × 15,109.60
  4. Step 4: Simplify right side
    27,684.04x = 577,247,762.78
  5. Step 5: Solve for x
    x = 577,247,762.78/27,684.04
  6. Step 6: Final answer
    x = 20,851.28

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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.