Home / 27,738.08-38,278.48-16,560.16

Finding the Fourth Proportional to 27,738.08, 38,278.48 and 16,560.16

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Solution

The fourth proportional to 27,738.08, 38,278.48 and 16,560.16 is: 22,852.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,738.08 : 38,278.48 = 16,560.16 : x
  2. Step 2: Convert to fraction form
    27,738.08/38,278.48 = 16,560.16/x
  3. Step 3: Cross multiply
    27,738.08x = 38,278.48 × 16,560.16
  4. Step 4: Simplify right side
    27,738.08x = 633,897,753.36
  5. Step 5: Solve for x
    x = 633,897,753.36/27,738.08
  6. Step 6: Final answer
    x = 22,852.98

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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.