Home / 28,853.52-39,806.89-17,518.71

Finding the Fourth Proportional to 28,853.52, 39,806.89 and 17,518.71

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Solution

The fourth proportional to 28,853.52, 39,806.89 and 17,518.71 is: 24,169.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,853.52 : 39,806.89 = 17,518.71 : x
  2. Step 2: Convert to fraction form
    28,853.52/39,806.89 = 17,518.71/x
  3. Step 3: Cross multiply
    28,853.52x = 39,806.89 × 17,518.71
  4. Step 4: Simplify right side
    28,853.52x = 697,365,230.06
  5. Step 5: Solve for x
    x = 697,365,230.06/28,853.52
  6. Step 6: Final answer
    x = 24,169.16

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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.