Home / 27,848.25-38,430.68-15,101.64

Finding the Fourth Proportional to 27,848.25, 38,430.68 and 15,101.64

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Solution

The fourth proportional to 27,848.25, 38,430.68 and 15,101.64 is: 20,840.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,848.25 : 38,430.68 = 15,101.64 : x
  2. Step 2: Convert to fraction form
    27,848.25/38,430.68 = 15,101.64/x
  3. Step 3: Cross multiply
    27,848.25x = 38,430.68 × 15,101.64
  4. Step 4: Simplify right side
    27,848.25x = 580,366,218.81
  5. Step 5: Solve for x
    x = 580,366,218.81/27,848.25
  6. Step 6: Final answer
    x = 20,840.31

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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.