Home / 27,557.94-38,029.78-14,982.78

Finding the Fourth Proportional to 27,557.94, 38,029.78 and 14,982.78

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Solution

The fourth proportional to 27,557.94, 38,029.78 and 14,982.78 is: 20,676.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,557.94 : 38,029.78 = 14,982.78 : x
  2. Step 2: Convert to fraction form
    27,557.94/38,029.78 = 14,982.78/x
  3. Step 3: Cross multiply
    27,557.94x = 38,029.78 × 14,982.78
  4. Step 4: Simplify right side
    27,557.94x = 569,791,827.19
  5. Step 5: Solve for x
    x = 569,791,827.19/27,557.94
  6. Step 6: Final answer
    x = 20,676.14

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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.