Home / 27,605.34-38,098.80-15,672.51

Finding the Fourth Proportional to 27,605.34, 38,098.80 and 15,672.51

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Solution

The fourth proportional to 27,605.34, 38,098.80 and 15,672.51 is: 21,630.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,605.34 : 38,098.80 = 15,672.51 : x
  2. Step 2: Convert to fraction form
    27,605.34/38,098.80 = 15,672.51/x
  3. Step 3: Cross multiply
    27,605.34x = 38,098.80 × 15,672.51
  4. Step 4: Simplify right side
    27,605.34x = 597,103,823.99
  5. Step 5: Solve for x
    x = 597,103,823.99/27,605.34
  6. Step 6: Final answer
    x = 21,630.01

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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.