Home / 27,842.63-38,422.82-15,267.65

Finding the Fourth Proportional to 27,842.63, 38,422.82 and 15,267.65

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Solution

The fourth proportional to 27,842.63, 38,422.82 and 15,267.65 is: 21,069.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,842.63 : 38,422.82 = 15,267.65 : x
  2. Step 2: Convert to fraction form
    27,842.63/38,422.82 = 15,267.65/x
  3. Step 3: Cross multiply
    27,842.63x = 38,422.82 × 15,267.65
  4. Step 4: Simplify right side
    27,842.63x = 586,626,013.83
  5. Step 5: Solve for x
    x = 586,626,013.83/27,842.63
  6. Step 6: Final answer
    x = 21,069.35

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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.