Home / 27,609.65-38,091.31-15,666.07

Finding the Fourth Proportional to 27,609.65, 38,091.31 and 15,666.07

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Solution

The fourth proportional to 27,609.65, 38,091.31 and 15,666.07 is: 21,613.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,609.65 : 38,091.31 = 15,666.07 : x
  2. Step 2: Convert to fraction form
    27,609.65/38,091.31 = 15,666.07/x
  3. Step 3: Cross multiply
    27,609.65x = 38,091.31 × 15,666.07
  4. Step 4: Simplify right side
    27,609.65x = 596,740,860.06
  5. Step 5: Solve for x
    x = 596,740,860.06/27,609.65
  6. Step 6: Final answer
    x = 21,613.49

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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.