Home / 27,956.80-38,580.96-16,018.72

Finding the Fourth Proportional to 27,956.80, 38,580.96 and 16,018.72

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Solution

The fourth proportional to 27,956.80, 38,580.96 and 16,018.72 is: 22,106.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,956.80 : 38,580.96 = 16,018.72 : x
  2. Step 2: Convert to fraction form
    27,956.80/38,580.96 = 16,018.72/x
  3. Step 3: Cross multiply
    27,956.80x = 38,580.96 × 16,018.72
  4. Step 4: Simplify right side
    27,956.80x = 618,017,595.57
  5. Step 5: Solve for x
    x = 618,017,595.57/27,956.80
  6. Step 6: Final answer
    x = 22,106.16

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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.