Home / 27,730.44-38,267.94-15,155.16

Finding the Fourth Proportional to 27,730.44, 38,267.94 and 15,155.16

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Solution

The fourth proportional to 27,730.44, 38,267.94 and 15,155.16 is: 20,914.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,730.44 : 38,267.94 = 15,155.16 : x
  2. Step 2: Convert to fraction form
    27,730.44/38,267.94 = 15,155.16/x
  3. Step 3: Cross multiply
    27,730.44x = 38,267.94 × 15,155.16
  4. Step 4: Simplify right side
    27,730.44x = 579,956,753.57
  5. Step 5: Solve for x
    x = 579,956,753.57/27,730.44
  6. Step 6: Final answer
    x = 20,914.08

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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.