Home / 27,703.46-38,231.70-15,606.02

Finding the Fourth Proportional to 27,703.46, 38,231.70 and 15,606.02

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Solution

The fourth proportional to 27,703.46, 38,231.70 and 15,606.02 is: 21,536.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,703.46 : 38,231.70 = 15,606.02 : x
  2. Step 2: Convert to fraction form
    27,703.46/38,231.70 = 15,606.02/x
  3. Step 3: Cross multiply
    27,703.46x = 38,231.70 × 15,606.02
  4. Step 4: Simplify right side
    27,703.46x = 596,644,674.83
  5. Step 5: Solve for x
    x = 596,644,674.83/27,703.46
  6. Step 6: Final answer
    x = 21,536.83

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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.