Home / 27,842.08-38,422.40-15,266.56

Finding the Fourth Proportional to 27,842.08, 38,422.40 and 15,266.56

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Solution

The fourth proportional to 27,842.08, 38,422.40 and 15,266.56 is: 21,068.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,842.08 : 38,422.40 = 15,266.56 : x
  2. Step 2: Convert to fraction form
    27,842.08/38,422.40 = 15,266.56/x
  3. Step 3: Cross multiply
    27,842.08x = 38,422.40 × 15,266.56
  4. Step 4: Simplify right side
    27,842.08x = 586,577,874.94
  5. Step 5: Solve for x
    x = 586,577,874.94/27,842.08
  6. Step 6: Final answer
    x = 21,068.03

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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.