Home / 27,567.09-38,051.25-15,638.36

Finding the Fourth Proportional to 27,567.09, 38,051.25 and 15,638.36

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Solution

The fourth proportional to 27,567.09, 38,051.25 and 15,638.36 is: 21,585.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,567.09 : 38,051.25 = 15,638.36 : x
  2. Step 2: Convert to fraction form
    27,567.09/38,051.25 = 15,638.36/x
  3. Step 3: Cross multiply
    27,567.09x = 38,051.25 × 15,638.36
  4. Step 4: Simplify right side
    27,567.09x = 595,058,955.69
  5. Step 5: Solve for x
    x = 595,058,955.69/27,567.09
  6. Step 6: Final answer
    x = 21,585.85

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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.