Home / 27,804.98-38,373.62-15,870.12

Finding the Fourth Proportional to 27,804.98, 38,373.62 and 15,870.12

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Solution

The fourth proportional to 27,804.98, 38,373.62 and 15,870.12 is: 21,902.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,804.98 : 38,373.62 = 15,870.12 : x
  2. Step 2: Convert to fraction form
    27,804.98/38,373.62 = 15,870.12/x
  3. Step 3: Cross multiply
    27,804.98x = 38,373.62 × 15,870.12
  4. Step 4: Simplify right side
    27,804.98x = 608,993,874.88
  5. Step 5: Solve for x
    x = 608,993,874.88/27,804.98
  6. Step 6: Final answer
    x = 21,902.33

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Half scale
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Double 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.