Home / 27,605.32-38,093.42-15,668.90

Finding the Fourth Proportional to 27,605.32, 38,093.42 and 15,668.90

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Solution

The fourth proportional to 27,605.32, 38,093.42 and 15,668.90 is: 21,621.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,605.32 : 38,093.42 = 15,668.90 : x
  2. Step 2: Convert to fraction form
    27,605.32/38,093.42 = 15,668.90/x
  3. Step 3: Cross multiply
    27,605.32x = 38,093.42 × 15,668.90
  4. Step 4: Simplify right side
    27,605.32x = 596,881,988.64
  5. Step 5: Solve for x
    x = 596,881,988.64/27,605.32
  6. Step 6: Final answer
    x = 21,621.99

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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.