Home / 27,635.04-38,135.60-15,698.08

Finding the Fourth Proportional to 27,635.04, 38,135.60 and 15,698.08

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Solution

The fourth proportional to 27,635.04, 38,135.60 and 15,698.08 is: 21,662.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,635.04 : 38,135.60 = 15,698.08 : x
  2. Step 2: Convert to fraction form
    27,635.04/38,135.60 = 15,698.08/x
  3. Step 3: Cross multiply
    27,635.04x = 38,135.60 × 15,698.08
  4. Step 4: Simplify right side
    27,635.04x = 598,655,699.65
  5. Step 5: Solve for x
    x = 598,655,699.65/27,635.04
  6. Step 6: Final answer
    x = 21,662.92

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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.