Home / 27,543.24-38,008.44-15,605.88

Finding the Fourth Proportional to 27,543.24, 38,008.44 and 15,605.88

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Solution

The fourth proportional to 27,543.24, 38,008.44 and 15,605.88 is: 21,535.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,543.24 : 38,008.44 = 15,605.88 : x
  2. Step 2: Convert to fraction form
    27,543.24/38,008.44 = 15,605.88/x
  3. Step 3: Cross multiply
    27,543.24x = 38,008.44 × 15,605.88
  4. Step 4: Simplify right side
    27,543.24x = 593,155,153.63
  5. Step 5: Solve for x
    x = 593,155,153.63/27,543.24
  6. Step 6: Final answer
    x = 21,535.42

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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.