Home / 28,297.79-39,034.68-17,668.97

Finding the Fourth Proportional to 28,297.79, 39,034.68 and 17,668.97

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Solution

The fourth proportional to 28,297.79, 39,034.68 and 17,668.97 is: 24,373.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,297.79 : 39,034.68 = 17,668.97 : x
  2. Step 2: Convert to fraction form
    28,297.79/39,034.68 = 17,668.97/x
  3. Step 3: Cross multiply
    28,297.79x = 39,034.68 × 17,668.97
  4. Step 4: Simplify right side
    28,297.79x = 689,702,607.34
  5. Step 5: Solve for x
    x = 689,702,607.34/28,297.79
  6. Step 6: Final answer
    x = 24,373.02

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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.