Home / 22,170.49-30,595.27-15,808.16

Finding the Fourth Proportional to 22,170.49, 30,595.27 and 15,808.16

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Solution

The fourth proportional to 22,170.49, 30,595.27 and 15,808.16 is: 21,815.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,170.49 : 30,595.27 = 15,808.16 : x
  2. Step 2: Convert to fraction form
    22,170.49/30,595.27 = 15,808.16/x
  3. Step 3: Cross multiply
    22,170.49x = 30,595.27 × 15,808.16
  4. Step 4: Simplify right side
    22,170.49x = 483,654,860.94
  5. Step 5: Solve for x
    x = 483,654,860.94/22,170.49
  6. Step 6: Final answer
    x = 21,815.25

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Half scale
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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.