Home / 27,798.90-38,362.51-15,052.09

Finding the Fourth Proportional to 27,798.90, 38,362.51 and 15,052.09

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Solution

The fourth proportional to 27,798.90, 38,362.51 and 15,052.09 is: 20,771.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,798.90 : 38,362.51 = 15,052.09 : x
  2. Step 2: Convert to fraction form
    27,798.90/38,362.51 = 15,052.09/x
  3. Step 3: Cross multiply
    27,798.90x = 38,362.51 × 15,052.09
  4. Step 4: Simplify right side
    27,798.90x = 577,435,953.15
  5. Step 5: Solve for x
    x = 577,435,953.15/27,798.90
  6. Step 6: Final answer
    x = 20,771.90

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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.