Home / 27,699.05-38,227.90-15,599.64

Finding the Fourth Proportional to 27,699.05, 38,227.90 and 15,599.64

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Solution

The fourth proportional to 27,699.05, 38,227.90 and 15,599.64 is: 21,529.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,699.05 : 38,227.90 = 15,599.64 : x
  2. Step 2: Convert to fraction form
    27,699.05/38,227.90 = 15,599.64/x
  3. Step 3: Cross multiply
    27,699.05x = 38,227.90 × 15,599.64
  4. Step 4: Simplify right side
    27,699.05x = 596,341,477.96
  5. Step 5: Solve for x
    x = 596,341,477.96/27,699.05
  6. Step 6: Final answer
    x = 21,529.31

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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.