Home / 27,713.61-38,244.82-15,776.93

Finding the Fourth Proportional to 27,713.61, 38,244.82 and 15,776.93

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Solution

The fourth proportional to 27,713.61, 38,244.82 and 15,776.93 is: 21,772.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,713.61 : 38,244.82 = 15,776.93 : x
  2. Step 2: Convert to fraction form
    27,713.61/38,244.82 = 15,776.93/x
  3. Step 3: Cross multiply
    27,713.61x = 38,244.82 × 15,776.93
  4. Step 4: Simplify right side
    27,713.61x = 603,385,781.82
  5. Step 5: Solve for x
    x = 603,385,781.82/27,713.61
  6. Step 6: Final answer
    x = 21,772.18

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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.