Home / 28,244.13-38,960.71-17,615.31

Finding the Fourth Proportional to 28,244.13, 38,960.71 and 17,615.31

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Solution

The fourth proportional to 28,244.13, 38,960.71 and 17,615.31 is: 24,299.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,244.13 : 38,960.71 = 17,615.31 : x
  2. Step 2: Convert to fraction form
    28,244.13/38,960.71 = 17,615.31/x
  3. Step 3: Cross multiply
    28,244.13x = 38,960.71 × 17,615.31
  4. Step 4: Simplify right side
    28,244.13x = 686,304,984.47
  5. Step 5: Solve for x
    x = 686,304,984.47/28,244.13
  6. Step 6: Final answer
    x = 24,299.03

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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.