Home / 27,916.59-38,530.98-17,170.71

Finding the Fourth Proportional to 27,916.59, 38,530.98 and 17,170.71

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Solution

The fourth proportional to 27,916.59, 38,530.98 and 17,170.71 is: 23,699.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,916.59 : 38,530.98 = 17,170.71 : x
  2. Step 2: Convert to fraction form
    27,916.59/38,530.98 = 17,170.71/x
  3. Step 3: Cross multiply
    27,916.59x = 38,530.98 × 17,170.71
  4. Step 4: Simplify right side
    27,916.59x = 661,604,074.71
  5. Step 5: Solve for x
    x = 661,604,074.71/27,916.59
  6. Step 6: Final answer
    x = 23,699.31

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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.