Home / 27,655.71-38,168.60-17,585.15

Finding the Fourth Proportional to 27,655.71, 38,168.60 and 17,585.15

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Solution

The fourth proportional to 27,655.71, 38,168.60 and 17,585.15 is: 24,269.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,655.71 : 38,168.60 = 17,585.15 : x
  2. Step 2: Convert to fraction form
    27,655.71/38,168.60 = 17,585.15/x
  3. Step 3: Cross multiply
    27,655.71x = 38,168.60 × 17,585.15
  4. Step 4: Simplify right side
    27,655.71x = 671,200,556.29
  5. Step 5: Solve for x
    x = 671,200,556.29/27,655.71
  6. Step 6: Final answer
    x = 24,269.87

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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.